Home / 721,352,529.29-1,082,728,487.24-348,123,072.71

Finding the Fourth Proportional to 721,352,529.29, 1,082,728,487.24 and 348,123,072.71

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Solution

The fourth proportional to 721,352,529.29, 1,082,728,487.24 and 348,123,072.71 is: 522,522,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,352,529.29 : 1,082,728,487.24 = 348,123,072.71 : x
  2. Step 2: Convert to fraction form
    721,352,529.29/1,082,728,487.24 = 348,123,072.71/x
  3. Step 3: Cross multiply
    721,352,529.29x = 1,082,728,487.24 × 348,123,072.71
  4. Step 4: Simplify right side
    721,352,529.29x = 376,922,767,881,484,544
  5. Step 5: Solve for x
    x = 376,922,767,881,484,544/721,352,529.29
  6. Step 6: Final answer
    x = 522,522,279.44

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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.