Home / 649,315,737.21-896,031,711.64-351,951,594.89

Finding the Fourth Proportional to 649,315,737.21, 896,031,711.64 and 351,951,594.89

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Solution

The fourth proportional to 649,315,737.21, 896,031,711.64 and 351,951,594.89 is: 485,680,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,315,737.21 : 896,031,711.64 = 351,951,594.89 : x
  2. Step 2: Convert to fraction form
    649,315,737.21/896,031,711.64 = 351,951,594.89/x
  3. Step 3: Cross multiply
    649,315,737.21x = 896,031,711.64 × 351,951,594.89
  4. Step 4: Simplify right side
    649,315,737.21x = 315,359,789,985,074,752
  5. Step 5: Solve for x
    x = 315,359,789,985,074,752/649,315,737.21
  6. Step 6: Final answer
    x = 485,680,189.03

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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.