Home / 387,342,961.74-580,670,436.96-150,937,747.38

Finding the Fourth Proportional to 387,342,961.74, 580,670,436.96 and 150,937,747.38

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Solution

The fourth proportional to 387,342,961.74, 580,670,436.96 and 150,937,747.38 is: 226,272,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,342,961.74 : 580,670,436.96 = 150,937,747.38 : x
  2. Step 2: Convert to fraction form
    387,342,961.74/580,670,436.96 = 150,937,747.38/x
  3. Step 3: Cross multiply
    387,342,961.74x = 580,670,436.96 × 150,937,747.38
  4. Step 4: Simplify right side
    387,342,961.74x = 87,645,087,724,902,704
  5. Step 5: Solve for x
    x = 87,645,087,724,902,704/387,342,961.74
  6. Step 6: Final answer
    x = 226,272,570.78

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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.