Home / 647,514,442.80-971,059,087.80-238,517,449.20

Finding the Fourth Proportional to 647,514,442.80, 971,059,087.80 and 238,517,449.20

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Solution

The fourth proportional to 647,514,442.80, 971,059,087.80 and 238,517,449.20 is: 357,697,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,514,442.80 : 971,059,087.80 = 238,517,449.20 : x
  2. Step 2: Convert to fraction form
    647,514,442.80/971,059,087.80 = 238,517,449.20/x
  3. Step 3: Cross multiply
    647,514,442.80x = 971,059,087.80 × 238,517,449.20
  4. Step 4: Simplify right side
    647,514,442.80x = 231,614,536,644,534,816
  5. Step 5: Solve for x
    x = 231,614,536,644,534,816/647,514,442.80
  6. Step 6: Final answer
    x = 357,697,869.48

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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.