Home / 649,315,743.28-896,031,719.96-351,951,600.96

Finding the Fourth Proportional to 649,315,743.28, 896,031,719.96 and 351,951,600.96

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Solution

The fourth proportional to 649,315,743.28, 896,031,719.96 and 351,951,600.96 is: 485,680,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,315,743.28 : 896,031,719.96 = 351,951,600.96 : x
  2. Step 2: Convert to fraction form
    649,315,743.28/896,031,719.96 = 351,951,600.96/x
  3. Step 3: Cross multiply
    649,315,743.28x = 896,031,719.96 × 351,951,600.96
  4. Step 4: Simplify right side
    649,315,743.28x = 315,359,798,347,813,568
  5. Step 5: Solve for x
    x = 315,359,798,347,813,568/649,315,743.28
  6. Step 6: Final answer
    x = 485,680,197.36

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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.