Home / 456,060,373.68-628,956,949.50-355,613,709

Finding the Fourth Proportional to 456,060,373.68, 628,956,949.50 and 355,613,709

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Solution

The fourth proportional to 456,060,373.68, 628,956,949.50 and 355,613,709 is: 490,430,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,060,373.68 : 628,956,949.50 = 355,613,709 : x
  2. Step 2: Convert to fraction form
    456,060,373.68/628,956,949.50 = 355,613,709/x
  3. Step 3: Cross multiply
    456,060,373.68x = 628,956,949.50 × 355,613,709
  4. Step 4: Simplify right side
    456,060,373.68x = 223,665,713,613,020,704
  5. Step 5: Solve for x
    x = 223,665,713,613,020,704/456,060,373.68
  6. Step 6: Final answer
    x = 490,430,053.83

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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.