Home / 492,538,791.60-679,711,484.34-269,539,849.44

Finding the Fourth Proportional to 492,538,791.60, 679,711,484.34 and 269,539,849.44

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Solution

The fourth proportional to 492,538,791.60, 679,711,484.34 and 269,539,849.44 is: 371,969,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,538,791.60 : 679,711,484.34 = 269,539,849.44 : x
  2. Step 2: Convert to fraction form
    492,538,791.60/679,711,484.34 = 269,539,849.44/x
  3. Step 3: Cross multiply
    492,538,791.60x = 679,711,484.34 × 269,539,849.44
  4. Step 4: Simplify right side
    492,538,791.60x = 183,209,331,151,642,528
  5. Step 5: Solve for x
    x = 183,209,331,151,642,528/492,538,791.60
  6. Step 6: Final answer
    x = 371,969,343.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.