Home / 278,522,999.70-417,784,499.55-149,382,836.70

Finding the Fourth Proportional to 278,522,999.70, 417,784,499.55 and 149,382,836.70

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Solution

The fourth proportional to 278,522,999.70, 417,784,499.55 and 149,382,836.70 is: 224,074,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,522,999.70 : 417,784,499.55 = 149,382,836.70 : x
  2. Step 2: Convert to fraction form
    278,522,999.70/417,784,499.55 = 149,382,836.70/x
  3. Step 3: Cross multiply
    278,522,999.70x = 417,784,499.55 × 149,382,836.70
  4. Step 4: Simplify right side
    278,522,999.70x = 62,409,833,672,068,872
  5. Step 5: Solve for x
    x = 62,409,833,672,068,872/278,522,999.70
  6. Step 6: Final answer
    x = 224,074,255.05

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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.