Home / 2,607,488,609.40-3,911,232,914.10-1,995,268,577.40

Finding the Fourth Proportional to 2,607,488,609.40, 3,911,232,914.10 and 1,995,268,577.40

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Solution

The fourth proportional to 2,607,488,609.40, 3,911,232,914.10 and 1,995,268,577.40 is: 2,992,902,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,488,609.40 : 3,911,232,914.10 = 1,995,268,577.40 : x
  2. Step 2: Convert to fraction form
    2,607,488,609.40/3,911,232,914.10 = 1,995,268,577.40/x
  3. Step 3: Cross multiply
    2,607,488,609.40x = 3,911,232,914.10 × 1,995,268,577.40
  4. Step 4: Simplify right side
    2,607,488,609.40x = 7,803,960,132,396,363,776
  5. Step 5: Solve for x
    x = 7,803,960,132,396,363,776/2,607,488,609.40
  6. Step 6: Final answer
    x = 2,992,902,866.10

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Half scale
Find fourth proportional to 5,214,977,218.80, 7,822,465,828.20 and 3,990,537,154.80
Double scale
Find fourth proportional to 2,607,488,610.40, 3,911,232,915.60 and 1,995,268,578.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.