Home / 649,315,753.57-896,031,734.14-351,951,611.25

Finding the Fourth Proportional to 649,315,753.57, 896,031,734.14 and 351,951,611.25

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Solution

The fourth proportional to 649,315,753.57, 896,031,734.14 and 351,951,611.25 is: 485,680,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,315,753.57 : 896,031,734.14 = 351,951,611.25 : x
  2. Step 2: Convert to fraction form
    649,315,753.57/896,031,734.14 = 351,951,611.25/x
  3. Step 3: Cross multiply
    649,315,753.57x = 896,031,734.14 × 351,951,611.25
  4. Step 4: Simplify right side
    649,315,753.57x = 315,359,812,561,704,640
  5. Step 5: Solve for x
    x = 315,359,812,561,704,640/649,315,753.57
  6. Step 6: Final answer
    x = 485,680,211.56

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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.