Home / 383,011,819.80-574,517,729.70-266,110,546.20

Finding the Fourth Proportional to 383,011,819.80, 574,517,729.70 and 266,110,546.20

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Solution

The fourth proportional to 383,011,819.80, 574,517,729.70 and 266,110,546.20 is: 399,165,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,011,819.80 : 574,517,729.70 = 266,110,546.20 : x
  2. Step 2: Convert to fraction form
    383,011,819.80/574,517,729.70 = 266,110,546.20/x
  3. Step 3: Cross multiply
    383,011,819.80x = 574,517,729.70 × 266,110,546.20
  4. Step 4: Simplify right side
    383,011,819.80x = 152,885,226,852,050,976
  5. Step 5: Solve for x
    x = 152,885,226,852,050,976/383,011,819.80
  6. Step 6: Final answer
    x = 399,165,819.30

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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.