Home / 992,441,411.10-1,488,662,116.65-977,135,910.30

Finding the Fourth Proportional to 992,441,411.10, 1,488,662,116.65 and 977,135,910.30

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Solution

The fourth proportional to 992,441,411.10, 1,488,662,116.65 and 977,135,910.30 is: 1,465,703,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,441,411.10 : 1,488,662,116.65 = 977,135,910.30 : x
  2. Step 2: Convert to fraction form
    992,441,411.10/1,488,662,116.65 = 977,135,910.30/x
  3. Step 3: Cross multiply
    992,441,411.10x = 1,488,662,116.65 × 977,135,910.30
  4. Step 4: Simplify right side
    992,441,411.10x = 1,454,625,212,481,922,560
  5. Step 5: Solve for x
    x = 1,454,625,212,481,922,560/992,441,411.10
  6. Step 6: Final answer
    x = 1,465,703,865.45

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Half scale
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Double scale
Find fourth proportional to 992,441,412.10, 1,488,662,118.15 and 977,135,911.30
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.