Home / 378,566,627.60-567,849,941.40-242,517,731.60

Finding the Fourth Proportional to 378,566,627.60, 567,849,941.40 and 242,517,731.60

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Solution

The fourth proportional to 378,566,627.60, 567,849,941.40 and 242,517,731.60 is: 363,776,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,566,627.60 : 567,849,941.40 = 242,517,731.60 : x
  2. Step 2: Convert to fraction form
    378,566,627.60/567,849,941.40 = 242,517,731.60/x
  3. Step 3: Cross multiply
    378,566,627.60x = 567,849,941.40 × 242,517,731.60
  4. Step 4: Simplify right side
    378,566,627.60x = 137,713,679,677,520,912
  5. Step 5: Solve for x
    x = 137,713,679,677,520,912/378,566,627.60
  6. Step 6: Final answer
    x = 363,776,597.40

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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.