Home / 378,566,687.60-567,850,031.40-242,517,791.60

Finding the Fourth Proportional to 378,566,687.60, 567,850,031.40 and 242,517,791.60

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Solution

The fourth proportional to 378,566,687.60, 567,850,031.40 and 242,517,791.60 is: 363,776,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,566,687.60 : 567,850,031.40 = 242,517,791.60 : x
  2. Step 2: Convert to fraction form
    378,566,687.60/567,850,031.40 = 242,517,791.60/x
  3. Step 3: Cross multiply
    378,566,687.60x = 567,850,031.40 × 242,517,791.60
  4. Step 4: Simplify right side
    378,566,687.60x = 137,713,735,575,118,640
  5. Step 5: Solve for x
    x = 137,713,735,575,118,640/378,566,687.60
  6. Step 6: Final answer
    x = 363,776,687.40

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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.