Home / 354,244,046.40-531,440,719.20-149,666,817.60

Finding the Fourth Proportional to 354,244,046.40, 531,440,719.20 and 149,666,817.60

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Solution

The fourth proportional to 354,244,046.40, 531,440,719.20 and 149,666,817.60 is: 224,531,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,244,046.40 : 531,440,719.20 = 149,666,817.60 : x
  2. Step 2: Convert to fraction form
    354,244,046.40/531,440,719.20 = 149,666,817.60/x
  3. Step 3: Cross multiply
    354,244,046.40x = 531,440,719.20 × 149,666,817.60
  4. Step 4: Simplify right side
    354,244,046.40x = 79,539,041,185,719,216
  5. Step 5: Solve for x
    x = 79,539,041,185,719,216/354,244,046.40
  6. Step 6: Final answer
    x = 224,531,765.58

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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.