Home / 585,389,034.50-878,135,165.28-165,214,149.29

Finding the Fourth Proportional to 585,389,034.50, 878,135,165.28 and 165,214,149.29

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Solution

The fourth proportional to 585,389,034.50, 878,135,165.28 and 165,214,149.29 is: 247,835,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,389,034.50 : 878,135,165.28 = 165,214,149.29 : x
  2. Step 2: Convert to fraction form
    585,389,034.50/878,135,165.28 = 165,214,149.29/x
  3. Step 3: Cross multiply
    585,389,034.50x = 878,135,165.28 × 165,214,149.29
  4. Step 4: Simplify right side
    585,389,034.50x = 145,080,354,293,368,736
  5. Step 5: Solve for x
    x = 145,080,354,293,368,736/585,389,034.50
  6. Step 6: Final answer
    x = 247,835,790.80

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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.