Home / 398,482,861.20-597,836,266.20-194,017,606.80

Finding the Fourth Proportional to 398,482,861.20, 597,836,266.20 and 194,017,606.80

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Solution

The fourth proportional to 398,482,861.20, 597,836,266.20 and 194,017,606.80 is: 291,080,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,482,861.20 : 597,836,266.20 = 194,017,606.80 : x
  2. Step 2: Convert to fraction form
    398,482,861.20/597,836,266.20 = 194,017,606.80/x
  3. Step 3: Cross multiply
    398,482,861.20x = 597,836,266.20 × 194,017,606.80
  4. Step 4: Simplify right side
    398,482,861.20x = 115,990,761,626,371,744
  5. Step 5: Solve for x
    x = 115,990,761,626,371,744/398,482,861.20
  6. Step 6: Final answer
    x = 291,080,929.50

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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.