Home / 649,315,819.07-896,031,824.24-351,951,676.55

Finding the Fourth Proportional to 649,315,819.07, 896,031,824.24 and 351,951,676.55

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Solution

The fourth proportional to 649,315,819.07, 896,031,824.24 and 351,951,676.55 is: 485,680,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,315,819.07 : 896,031,824.24 = 351,951,676.55 : x
  2. Step 2: Convert to fraction form
    649,315,819.07/896,031,824.24 = 351,951,676.55/x
  3. Step 3: Cross multiply
    649,315,819.07x = 896,031,824.24 × 351,951,676.55
  4. Step 4: Simplify right side
    649,315,819.07x = 315,359,902,779,822,656
  5. Step 5: Solve for x
    x = 315,359,902,779,822,656/649,315,819.07
  6. Step 6: Final answer
    x = 485,680,301.51

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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.