Home / 378,566,646.60-567,849,969.90-242,517,750.60

Finding the Fourth Proportional to 378,566,646.60, 567,849,969.90 and 242,517,750.60

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Solution

The fourth proportional to 378,566,646.60, 567,849,969.90 and 242,517,750.60 is: 363,776,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,566,646.60 : 567,849,969.90 = 242,517,750.60 : x
  2. Step 2: Convert to fraction form
    378,566,646.60/567,849,969.90 = 242,517,750.60/x
  3. Step 3: Cross multiply
    378,566,646.60x = 567,849,969.90 × 242,517,750.60
  4. Step 4: Simplify right side
    378,566,646.60x = 137,713,697,378,425,696
  5. Step 5: Solve for x
    x = 137,713,697,378,425,696/378,566,646.60
  6. Step 6: Final answer
    x = 363,776,625.90

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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.