Home / 383,011,805.80-574,517,708.70-266,110,532.20

Finding the Fourth Proportional to 383,011,805.80, 574,517,708.70 and 266,110,532.20

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Solution

The fourth proportional to 383,011,805.80, 574,517,708.70 and 266,110,532.20 is: 399,165,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,011,805.80 : 574,517,708.70 = 266,110,532.20 : x
  2. Step 2: Convert to fraction form
    383,011,805.80/574,517,708.70 = 266,110,532.20/x
  3. Step 3: Cross multiply
    383,011,805.80x = 574,517,708.70 × 266,110,532.20
  4. Step 4: Simplify right side
    383,011,805.80x = 152,885,213,220,481,568
  5. Step 5: Solve for x
    x = 152,885,213,220,481,568/383,011,805.80
  6. Step 6: Final answer
    x = 399,165,798.30

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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.