Home / 667,218,400.80-1,000,827,601.20-175,930,720.80

Finding the Fourth Proportional to 667,218,400.80, 1,000,827,601.20 and 175,930,720.80

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Solution

The fourth proportional to 667,218,400.80, 1,000,827,601.20 and 175,930,720.80 is: 263,896,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,218,400.80 : 1,000,827,601.20 = 175,930,720.80 : x
  2. Step 2: Convert to fraction form
    667,218,400.80/1,000,827,601.20 = 175,930,720.80/x
  3. Step 3: Cross multiply
    667,218,400.80x = 1,000,827,601.20 × 175,930,720.80
  4. Step 4: Simplify right side
    667,218,400.80x = 176,076,321,275,650,976
  5. Step 5: Solve for x
    x = 176,076,321,275,650,976/667,218,400.80
  6. Step 6: Final answer
    x = 263,896,081.20

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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.