Home / 498,435,331.70-748,326,156.15-291,385,918.10

Finding the Fourth Proportional to 498,435,331.70, 748,326,156.15 and 291,385,918.10

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Solution

The fourth proportional to 498,435,331.70, 748,326,156.15 and 291,385,918.10 is: 437,472,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,435,331.70 : 748,326,156.15 = 291,385,918.10 : x
  2. Step 2: Convert to fraction form
    498,435,331.70/748,326,156.15 = 291,385,918.10/x
  3. Step 3: Cross multiply
    498,435,331.70x = 748,326,156.15 × 291,385,918.10
  4. Step 4: Simplify right side
    498,435,331.70x = 218,051,704,048,011,712
  5. Step 5: Solve for x
    x = 218,051,704,048,011,712/498,435,331.70
  6. Step 6: Final answer
    x = 437,472,406.51

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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.