Home / 703,923,469.50-1,055,885,205.78-375,403,690.92

Finding the Fourth Proportional to 703,923,469.50, 1,055,885,205.78 and 375,403,690.92

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Solution

The fourth proportional to 703,923,469.50, 1,055,885,205.78 and 375,403,690.92 is: 563,105,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,923,469.50 : 1,055,885,205.78 = 375,403,690.92 : x
  2. Step 2: Convert to fraction form
    703,923,469.50/1,055,885,205.78 = 375,403,690.92/x
  3. Step 3: Cross multiply
    703,923,469.50x = 1,055,885,205.78 × 375,403,690.92
  4. Step 4: Simplify right side
    703,923,469.50x = 396,383,203,437,635,712
  5. Step 5: Solve for x
    x = 396,383,203,437,635,712/703,923,469.50
  6. Step 6: Final answer
    x = 563,105,537.20

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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.