Home / 531,468,447.40-797,202,671.10-148,515,999.40

Finding the Fourth Proportional to 531,468,447.40, 797,202,671.10 and 148,515,999.40

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Solution

The fourth proportional to 531,468,447.40, 797,202,671.10 and 148,515,999.40 is: 222,773,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,468,447.40 : 797,202,671.10 = 148,515,999.40 : x
  2. Step 2: Convert to fraction form
    531,468,447.40/797,202,671.10 = 148,515,999.40/x
  3. Step 3: Cross multiply
    531,468,447.40x = 797,202,671.10 × 148,515,999.40
  4. Step 4: Simplify right side
    531,468,447.40x = 118,397,351,422,766,000
  5. Step 5: Solve for x
    x = 118,397,351,422,766,000/531,468,447.40
  6. Step 6: Final answer
    x = 222,773,999.10

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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.