Home / 649,315,762.82-896,031,747.08-351,951,620.64

Finding the Fourth Proportional to 649,315,762.82, 896,031,747.08 and 351,951,620.64

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Solution

The fourth proportional to 649,315,762.82, 896,031,747.08 and 351,951,620.64 is: 485,680,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,315,762.82 : 896,031,747.08 = 351,951,620.64 : x
  2. Step 2: Convert to fraction form
    649,315,762.82/896,031,747.08 = 351,951,620.64/x
  3. Step 3: Cross multiply
    649,315,762.82x = 896,031,747.08 × 351,951,620.64
  4. Step 4: Simplify right side
    649,315,762.82x = 315,359,825,535,429,952
  5. Step 5: Solve for x
    x = 315,359,825,535,429,952/649,315,762.82
  6. Step 6: Final answer
    x = 485,680,224.62

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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.