Home / 649,315,819.83-896,031,825.27-351,951,677.30

Finding the Fourth Proportional to 649,315,819.83, 896,031,825.27 and 351,951,677.30

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Solution

The fourth proportional to 649,315,819.83, 896,031,825.27 and 351,951,677.30 is: 485,680,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,315,819.83 : 896,031,825.27 = 351,951,677.30 : x
  2. Step 2: Convert to fraction form
    649,315,819.83/896,031,825.27 = 351,951,677.30/x
  3. Step 3: Cross multiply
    649,315,819.83x = 896,031,825.27 × 351,951,677.30
  4. Step 4: Simplify right side
    649,315,819.83x = 315,359,903,813,476,864
  5. Step 5: Solve for x
    x = 315,359,903,813,476,864/649,315,819.83
  6. Step 6: Final answer
    x = 485,680,302.53

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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.