Home / 525,786,981.52-721,786,484.96-451,318,257.96

Finding the Fourth Proportional to 525,786,981.52, 721,786,484.96 and 451,318,257.96

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Solution

The fourth proportional to 525,786,981.52, 721,786,484.96 and 451,318,257.96 is: 619,557,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,786,981.52 : 721,786,484.96 = 451,318,257.96 : x
  2. Step 2: Convert to fraction form
    525,786,981.52/721,786,484.96 = 451,318,257.96/x
  3. Step 3: Cross multiply
    525,786,981.52x = 721,786,484.96 × 451,318,257.96
  4. Step 4: Simplify right side
    525,786,981.52x = 325,755,419,011,218,944
  5. Step 5: Solve for x
    x = 325,755,419,011,218,944/525,786,981.52
  6. Step 6: Final answer
    x = 619,557,787.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.