Home / 521,606,448.30-782,409,672.45-501,451,056.30

Finding the Fourth Proportional to 521,606,448.30, 782,409,672.45 and 501,451,056.30

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Solution

The fourth proportional to 521,606,448.30, 782,409,672.45 and 501,451,056.30 is: 752,176,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,606,448.30 : 782,409,672.45 = 501,451,056.30 : x
  2. Step 2: Convert to fraction form
    521,606,448.30/782,409,672.45 = 501,451,056.30/x
  3. Step 3: Cross multiply
    521,606,448.30x = 782,409,672.45 × 501,451,056.30
  4. Step 4: Simplify right side
    521,606,448.30x = 392,340,156,709,389,568
  5. Step 5: Solve for x
    x = 392,340,156,709,389,568/521,606,448.30
  6. Step 6: Final answer
    x = 752,176,584.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.