Home / 622,797,319.80-934,125,120.90-162,781,990.20

Finding the Fourth Proportional to 622,797,319.80, 934,125,120.90 and 162,781,990.20

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Solution

The fourth proportional to 622,797,319.80, 934,125,120.90 and 162,781,990.20 is: 244,154,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,797,319.80 : 934,125,120.90 = 162,781,990.20 : x
  2. Step 2: Convert to fraction form
    622,797,319.80/934,125,120.90 = 162,781,990.20/x
  3. Step 3: Cross multiply
    622,797,319.80x = 934,125,120.90 × 162,781,990.20
  4. Step 4: Simplify right side
    622,797,319.80x = 152,058,746,275,917,600
  5. Step 5: Solve for x
    x = 152,058,746,275,917,600/622,797,319.80
  6. Step 6: Final answer
    x = 244,154,464.77

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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.