Home / 585,389,032.50-878,135,162.28-165,214,147.28

Finding the Fourth Proportional to 585,389,032.50, 878,135,162.28 and 165,214,147.28

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Solution

The fourth proportional to 585,389,032.50, 878,135,162.28 and 165,214,147.28 is: 247,835,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,389,032.50 : 878,135,162.28 = 165,214,147.28 : x
  2. Step 2: Convert to fraction form
    585,389,032.50/878,135,162.28 = 165,214,147.28/x
  3. Step 3: Cross multiply
    585,389,032.50x = 878,135,162.28 × 165,214,147.28
  4. Step 4: Simplify right side
    585,389,032.50x = 145,080,352,034,869,952
  5. Step 5: Solve for x
    x = 145,080,352,034,869,952/585,389,032.50
  6. Step 6: Final answer
    x = 247,835,787.79

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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.