Home / 721,352,507.28-1,082,728,454.22-348,123,050.70

Finding the Fourth Proportional to 721,352,507.28, 1,082,728,454.22 and 348,123,050.70

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Solution

The fourth proportional to 721,352,507.28, 1,082,728,454.22 and 348,123,050.70 is: 522,522,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,352,507.28 : 1,082,728,454.22 = 348,123,050.70 : x
  2. Step 2: Convert to fraction form
    721,352,507.28/1,082,728,454.22 = 348,123,050.70/x
  3. Step 3: Cross multiply
    721,352,507.28x = 1,082,728,454.22 × 348,123,050.70
  4. Step 4: Simplify right side
    721,352,507.28x = 376,922,732,562,761,664
  5. Step 5: Solve for x
    x = 376,922,732,562,761,664/721,352,507.28
  6. Step 6: Final answer
    x = 522,522,246.42

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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.