Home / 724,846,542.70-1,000,260,070.88-443,060,788.86

Finding the Fourth Proportional to 724,846,542.70, 1,000,260,070.88 and 443,060,788.86

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Solution

The fourth proportional to 724,846,542.70, 1,000,260,070.88 and 443,060,788.86 is: 611,406,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,846,542.70 : 1,000,260,070.88 = 443,060,788.86 : x
  2. Step 2: Convert to fraction form
    724,846,542.70/1,000,260,070.88 = 443,060,788.86/x
  3. Step 3: Cross multiply
    724,846,542.70x = 1,000,260,070.88 × 443,060,788.86
  4. Step 4: Simplify right side
    724,846,542.70x = 443,176,016,071,168,192
  5. Step 5: Solve for x
    x = 443,176,016,071,168,192/724,846,542.70
  6. Step 6: Final answer
    x = 611,406,677.09

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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.