Home / 472,535,771.80-708,591,081.30-181,306,103.80

Finding the Fourth Proportional to 472,535,771.80, 708,591,081.30 and 181,306,103.80

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Solution

The fourth proportional to 472,535,771.80, 708,591,081.30 and 181,306,103.80 is: 271,877,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,535,771.80 : 708,591,081.30 = 181,306,103.80 : x
  2. Step 2: Convert to fraction form
    472,535,771.80/708,591,081.30 = 181,306,103.80/x
  3. Step 3: Cross multiply
    472,535,771.80x = 708,591,081.30 × 181,306,103.80
  4. Step 4: Simplify right side
    472,535,771.80x = 128,471,888,137,932,032
  5. Step 5: Solve for x
    x = 128,471,888,137,932,032/472,535,771.80
  6. Step 6: Final answer
    x = 271,877,592.78

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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.