Home / 442,580,716.92-663,861,958.90-147,497,265.92

Finding the Fourth Proportional to 442,580,716.92, 663,861,958.90 and 147,497,265.92

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Solution

The fourth proportional to 442,580,716.92, 663,861,958.90 and 147,497,265.92 is: 221,242,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,580,716.92 : 663,861,958.90 = 147,497,265.92 : x
  2. Step 2: Convert to fraction form
    442,580,716.92/663,861,958.90 = 147,497,265.92/x
  3. Step 3: Cross multiply
    442,580,716.92x = 663,861,958.90 × 147,497,265.92
  4. Step 4: Simplify right side
    442,580,716.92x = 97,917,823,886,045,392
  5. Step 5: Solve for x
    x = 97,917,823,886,045,392/442,580,716.92
  6. Step 6: Final answer
    x = 221,242,860.66

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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.