Home / 484,421,170.20-726,631,755.30-427,025,542.20

Finding the Fourth Proportional to 484,421,170.20, 726,631,755.30 and 427,025,542.20

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Solution

The fourth proportional to 484,421,170.20, 726,631,755.30 and 427,025,542.20 is: 640,538,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,421,170.20 : 726,631,755.30 = 427,025,542.20 : x
  2. Step 2: Convert to fraction form
    484,421,170.20/726,631,755.30 = 427,025,542.20/x
  3. Step 3: Cross multiply
    484,421,170.20x = 726,631,755.30 × 427,025,542.20
  4. Step 4: Simplify right side
    484,421,170.20x = 310,290,319,286,720,192
  5. Step 5: Solve for x
    x = 310,290,319,286,720,192/484,421,170.20
  6. Step 6: Final answer
    x = 640,538,313.30

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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.