Home / 386,127,273.12-532,704,863.76-221,026,611.36

Finding the Fourth Proportional to 386,127,273.12, 532,704,863.76 and 221,026,611.36

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Solution

The fourth proportional to 386,127,273.12, 532,704,863.76 and 221,026,611.36 is: 304,930,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,127,273.12 : 532,704,863.76 = 221,026,611.36 : x
  2. Step 2: Convert to fraction form
    386,127,273.12/532,704,863.76 = 221,026,611.36/x
  3. Step 3: Cross multiply
    386,127,273.12x = 532,704,863.76 × 221,026,611.36
  4. Step 4: Simplify right side
    386,127,273.12x = 117,741,950,891,863,280
  5. Step 5: Solve for x
    x = 117,741,950,891,863,280/386,127,273.12
  6. Step 6: Final answer
    x = 304,930,418.25

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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.