Home / 381,704,928.80-572,557,393.20-177,165,024.80

Finding the Fourth Proportional to 381,704,928.80, 572,557,393.20 and 177,165,024.80

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Solution

The fourth proportional to 381,704,928.80, 572,557,393.20 and 177,165,024.80 is: 265,747,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,704,928.80 : 572,557,393.20 = 177,165,024.80 : x
  2. Step 2: Convert to fraction form
    381,704,928.80/572,557,393.20 = 177,165,024.80/x
  3. Step 3: Cross multiply
    381,704,928.80x = 572,557,393.20 × 177,165,024.80
  4. Step 4: Simplify right side
    381,704,928.80x = 101,437,144,765,701,360
  5. Step 5: Solve for x
    x = 101,437,144,765,701,360/381,704,928.80
  6. Step 6: Final answer
    x = 265,747,537.20

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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.