Home / 587,077,354.59-878,699,817.72-431,589,970.73

Finding the Fourth Proportional to 587,077,354.59, 878,699,817.72 and 431,589,970.73

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Solution

The fourth proportional to 587,077,354.59, 878,699,817.72 and 431,589,970.73 is: 645,976,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,077,354.59 : 878,699,817.72 = 431,589,970.73 : x
  2. Step 2: Convert to fraction form
    587,077,354.59/878,699,817.72 = 431,589,970.73/x
  3. Step 3: Cross multiply
    587,077,354.59x = 878,699,817.72 × 431,589,970.73
  4. Step 4: Simplify right side
    587,077,354.59x = 379,238,028,605,837,696
  5. Step 5: Solve for x
    x = 379,238,028,605,837,696/587,077,354.59
  6. Step 6: Final answer
    x = 645,976,251.07

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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.