Home / 531,468,578.10-797,202,867.15-457,491,990.90

Finding the Fourth Proportional to 531,468,578.10, 797,202,867.15 and 457,491,990.90

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Solution

The fourth proportional to 531,468,578.10, 797,202,867.15 and 457,491,990.90 is: 686,237,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,468,578.10 : 797,202,867.15 = 457,491,990.90 : x
  2. Step 2: Convert to fraction form
    531,468,578.10/797,202,867.15 = 457,491,990.90/x
  3. Step 3: Cross multiply
    531,468,578.10x = 797,202,867.15 × 457,491,990.90
  4. Step 4: Simplify right side
    531,468,578.10x = 364,713,926,843,641,664
  5. Step 5: Solve for x
    x = 364,713,926,843,641,664/531,468,578.10
  6. Step 6: Final answer
    x = 686,237,986.35

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Double scale
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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.