Home / 649,315,818.83-896,031,823.90-351,951,676.30

Finding the Fourth Proportional to 649,315,818.83, 896,031,823.90 and 351,951,676.30

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Solution

The fourth proportional to 649,315,818.83, 896,031,823.90 and 351,951,676.30 is: 485,680,301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,315,818.83 : 896,031,823.90 = 351,951,676.30 : x
  2. Step 2: Convert to fraction form
    649,315,818.83/896,031,823.90 = 351,951,676.30/x
  3. Step 3: Cross multiply
    649,315,818.83x = 896,031,823.90 × 351,951,676.30
  4. Step 4: Simplify right side
    649,315,818.83x = 315,359,902,433,511,488
  5. Step 5: Solve for x
    x = 315,359,902,433,511,488/649,315,818.83
  6. Step 6: Final answer
    x = 485,680,301.16

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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.