Home / 363,312,285.72-502,026,787.92-258,708,753.72

Finding the Fourth Proportional to 363,312,285.72, 502,026,787.92 and 258,708,753.72

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Solution

The fourth proportional to 363,312,285.72, 502,026,787.92 and 258,708,753.72 is: 357,485,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,312,285.72 : 502,026,787.92 = 258,708,753.72 : x
  2. Step 2: Convert to fraction form
    363,312,285.72/502,026,787.92 = 258,708,753.72/x
  3. Step 3: Cross multiply
    363,312,285.72x = 502,026,787.92 × 258,708,753.72
  4. Step 4: Simplify right side
    363,312,285.72x = 129,878,724,636,837,952
  5. Step 5: Solve for x
    x = 129,878,724,636,837,952/363,312,285.72
  6. Step 6: Final answer
    x = 357,485,088.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.