Home / 418,093,239.87-576,805,373.73-239,381,617.55

Finding the Fourth Proportional to 418,093,239.87, 576,805,373.73 and 239,381,617.55

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Solution

The fourth proportional to 418,093,239.87, 576,805,373.73 and 239,381,617.55 is: 330,253,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,093,239.87 : 576,805,373.73 = 239,381,617.55 : x
  2. Step 2: Convert to fraction form
    418,093,239.87/576,805,373.73 = 239,381,617.55/x
  3. Step 3: Cross multiply
    418,093,239.87x = 576,805,373.73 × 239,381,617.55
  4. Step 4: Simplify right side
    418,093,239.87x = 138,076,603,372,135,648
  5. Step 5: Solve for x
    x = 138,076,603,372,135,648/418,093,239.87
  6. Step 6: Final answer
    x = 330,253,135.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.