Home / 472,393,032.30-708,589,548.45-278,204,490.90

Finding the Fourth Proportional to 472,393,032.30, 708,589,548.45 and 278,204,490.90

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Solution

The fourth proportional to 472,393,032.30, 708,589,548.45 and 278,204,490.90 is: 417,306,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,032.30 : 708,589,548.45 = 278,204,490.90 : x
  2. Step 2: Convert to fraction form
    472,393,032.30/708,589,548.45 = 278,204,490.90/x
  3. Step 3: Cross multiply
    472,393,032.30x = 708,589,548.45 × 278,204,490.90
  4. Step 4: Simplify right side
    472,393,032.30x = 197,132,794,583,593,120
  5. Step 5: Solve for x
    x = 197,132,794,583,593,120/472,393,032.30
  6. Step 6: Final answer
    x = 417,306,736.35

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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.