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Finding the Fourth Proportional to 266,117,505.60, 399,176,258.40 and 179,953,204.80

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Solution

The fourth proportional to 266,117,505.60, 399,176,258.40 and 179,953,204.80 is: 269,929,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,117,505.60 : 399,176,258.40 = 179,953,204.80 : x
  2. Step 2: Convert to fraction form
    266,117,505.60/399,176,258.40 = 179,953,204.80/x
  3. Step 3: Cross multiply
    266,117,505.60x = 399,176,258.40 × 179,953,204.80
  4. Step 4: Simplify right side
    266,117,505.60x = 71,833,046,979,152,920
  5. Step 5: Solve for x
    x = 71,833,046,979,152,920/266,117,505.60
  6. Step 6: Final answer
    x = 269,929,807.20

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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.