Home / 381,632,555.20-572,448,832.80-260,700,203.20

Finding the Fourth Proportional to 381,632,555.20, 572,448,832.80 and 260,700,203.20

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Solution

The fourth proportional to 381,632,555.20, 572,448,832.80 and 260,700,203.20 is: 391,050,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,632,555.20 : 572,448,832.80 = 260,700,203.20 : x
  2. Step 2: Convert to fraction form
    381,632,555.20/572,448,832.80 = 260,700,203.20/x
  3. Step 3: Cross multiply
    381,632,555.20x = 572,448,832.80 × 260,700,203.20
  4. Step 4: Simplify right side
    381,632,555.20x = 149,237,527,032,562,816
  5. Step 5: Solve for x
    x = 149,237,527,032,562,816/381,632,555.20
  6. Step 6: Final answer
    x = 391,050,304.80

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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.