Home / 418,536,519.36-627,806,471.13-169,546,486.38

Finding the Fourth Proportional to 418,536,519.36, 627,806,471.13 and 169,546,486.38

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Solution

The fourth proportional to 418,536,519.36, 627,806,471.13 and 169,546,486.38 is: 254,320,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,536,519.36 : 627,806,471.13 = 169,546,486.38 : x
  2. Step 2: Convert to fraction form
    418,536,519.36/627,806,471.13 = 169,546,486.38/x
  3. Step 3: Cross multiply
    418,536,519.36x = 627,806,471.13 × 169,546,486.38
  4. Step 4: Simplify right side
    418,536,519.36x = 106,442,381,306,718,400
  5. Step 5: Solve for x
    x = 106,442,381,306,718,400/418,536,519.36
  6. Step 6: Final answer
    x = 254,320,415.02

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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.