Home / 724,846,574.95-1,000,260,115.38-443,060,821.22

Finding the Fourth Proportional to 724,846,574.95, 1,000,260,115.38 and 443,060,821.22

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Solution

The fourth proportional to 724,846,574.95, 1,000,260,115.38 and 443,060,821.22 is: 611,406,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,846,574.95 : 1,000,260,115.38 = 443,060,821.22 : x
  2. Step 2: Convert to fraction form
    724,846,574.95/1,000,260,115.38 = 443,060,821.22/x
  3. Step 3: Cross multiply
    724,846,574.95x = 1,000,260,115.38 × 443,060,821.22
  4. Step 4: Simplify right side
    724,846,574.95x = 443,176,068,148,873,408
  5. Step 5: Solve for x
    x = 443,176,068,148,873,408/724,846,574.95
  6. Step 6: Final answer
    x = 611,406,721.73

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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.