Home / 956,568,650.40-1,434,852,975.60-520,078,442.40

Finding the Fourth Proportional to 956,568,650.40, 1,434,852,975.60 and 520,078,442.40

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Solution

The fourth proportional to 956,568,650.40, 1,434,852,975.60 and 520,078,442.40 is: 780,117,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,568,650.40 : 1,434,852,975.60 = 520,078,442.40 : x
  2. Step 2: Convert to fraction form
    956,568,650.40/1,434,852,975.60 = 520,078,442.40/x
  3. Step 3: Cross multiply
    956,568,650.40x = 1,434,852,975.60 × 520,078,442.40
  4. Step 4: Simplify right side
    956,568,650.40x = 746,236,100,623,053,184
  5. Step 5: Solve for x
    x = 746,236,100,623,053,184/956,568,650.40
  6. Step 6: Final answer
    x = 780,117,663.60

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Half scale
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Double scale
Find fourth proportional to 956,568,651.40, 1,434,852,977.10 and 520,078,443.40
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.