Home / 492,538,795.60-679,711,489.86-269,539,853.44

Finding the Fourth Proportional to 492,538,795.60, 679,711,489.86 and 269,539,853.44

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Solution

The fourth proportional to 492,538,795.60, 679,711,489.86 and 269,539,853.44 is: 371,969,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,538,795.60 : 679,711,489.86 = 269,539,853.44 : x
  2. Step 2: Convert to fraction form
    492,538,795.60/679,711,489.86 = 269,539,853.44/x
  3. Step 3: Cross multiply
    492,538,795.60x = 679,711,489.86 × 269,539,853.44
  4. Step 4: Simplify right side
    492,538,795.60x = 183,209,335,358,348,448
  5. Step 5: Solve for x
    x = 183,209,335,358,348,448/492,538,795.60
  6. Step 6: Final answer
    x = 371,969,349.41

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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.