Home / 721,352,508.28-1,082,728,455.72-348,123,051.70

Finding the Fourth Proportional to 721,352,508.28, 1,082,728,455.72 and 348,123,051.70

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Solution

The fourth proportional to 721,352,508.28, 1,082,728,455.72 and 348,123,051.70 is: 522,522,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,352,508.28 : 1,082,728,455.72 = 348,123,051.70 : x
  2. Step 2: Convert to fraction form
    721,352,508.28/1,082,728,455.72 = 348,123,051.70/x
  3. Step 3: Cross multiply
    721,352,508.28x = 1,082,728,455.72 × 348,123,051.70
  4. Step 4: Simplify right side
    721,352,508.28x = 376,922,734,167,674,688
  5. Step 5: Solve for x
    x = 376,922,734,167,674,688/721,352,508.28
  6. Step 6: Final answer
    x = 522,522,247.92

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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.