Home / 371,878,045.20-557,817,067.80-349,203,229.20

Finding the Fourth Proportional to 371,878,045.20, 557,817,067.80 and 349,203,229.20

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Solution

The fourth proportional to 371,878,045.20, 557,817,067.80 and 349,203,229.20 is: 523,804,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,878,045.20 : 557,817,067.80 = 349,203,229.20 : x
  2. Step 2: Convert to fraction form
    371,878,045.20/557,817,067.80 = 349,203,229.20/x
  3. Step 3: Cross multiply
    371,878,045.20x = 557,817,067.80 × 349,203,229.20
  4. Step 4: Simplify right side
    371,878,045.20x = 194,791,521,378,635,328
  5. Step 5: Solve for x
    x = 194,791,521,378,635,328/371,878,045.20
  6. Step 6: Final answer
    x = 523,804,843.80

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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.