Home / 472,534,784.80-708,589,600.80-181,305,116.80

Finding the Fourth Proportional to 472,534,784.80, 708,589,600.80 and 181,305,116.80

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Solution

The fourth proportional to 472,534,784.80, 708,589,600.80 and 181,305,116.80 is: 271,876,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,534,784.80 : 708,589,600.80 = 181,305,116.80 : x
  2. Step 2: Convert to fraction form
    472,534,784.80/708,589,600.80 = 181,305,116.80/x
  3. Step 3: Cross multiply
    472,534,784.80x = 708,589,600.80 × 181,305,116.80
  4. Step 4: Simplify right side
    472,534,784.80x = 128,470,920,336,309,376
  5. Step 5: Solve for x
    x = 128,470,920,336,309,376/472,534,784.80
  6. Step 6: Final answer
    x = 271,876,112.55

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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.