Home / 378,566,642.60-567,849,963.90-242,517,746.60

Finding the Fourth Proportional to 378,566,642.60, 567,849,963.90 and 242,517,746.60

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Solution

The fourth proportional to 378,566,642.60, 567,849,963.90 and 242,517,746.60 is: 363,776,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,566,642.60 : 567,849,963.90 = 242,517,746.60 : x
  2. Step 2: Convert to fraction form
    378,566,642.60/567,849,963.90 = 242,517,746.60/x
  3. Step 3: Cross multiply
    378,566,642.60x = 567,849,963.90 × 242,517,746.60
  4. Step 4: Simplify right side
    378,566,642.60x = 137,713,693,651,919,344
  5. Step 5: Solve for x
    x = 137,713,693,651,919,344/378,566,642.60
  6. Step 6: Final answer
    x = 363,776,619.90

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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.