Home / 418,637,352-628,055,407.36-131,423,016

Finding the Fourth Proportional to 418,637,352, 628,055,407.36 and 131,423,016

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Solution

The fourth proportional to 418,637,352, 628,055,407.36 and 131,423,016 is: 197,165,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,637,352 : 628,055,407.36 = 131,423,016 : x
  2. Step 2: Convert to fraction form
    418,637,352/628,055,407.36 = 131,423,016/x
  3. Step 3: Cross multiply
    418,637,352x = 628,055,407.36 × 131,423,016
  4. Step 4: Simplify right side
    418,637,352x = 82,540,935,850,359,792
  5. Step 5: Solve for x
    x = 82,540,935,850,359,792/418,637,352
  6. Step 6: Final answer
    x = 197,165,722.21

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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.