Home / 417,073,218.60-625,420,871.10-158,202,402.60

Finding the Fourth Proportional to 417,073,218.60, 625,420,871.10 and 158,202,402.60

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Solution

The fourth proportional to 417,073,218.60, 625,420,871.10 and 158,202,402.60 is: 237,231,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,073,218.60 : 625,420,871.10 = 158,202,402.60 : x
  2. Step 2: Convert to fraction form
    417,073,218.60/625,420,871.10 = 158,202,402.60/x
  3. Step 3: Cross multiply
    417,073,218.60x = 625,420,871.10 × 158,202,402.60
  4. Step 4: Simplify right side
    417,073,218.60x = 98,943,084,444,204,912
  5. Step 5: Solve for x
    x = 98,943,084,444,204,912/417,073,218.60
  6. Step 6: Final answer
    x = 237,231,929.63

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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.