Home / 472,534,803.30-708,589,628.55-181,305,135.30

Finding the Fourth Proportional to 472,534,803.30, 708,589,628.55 and 181,305,135.30

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Solution

The fourth proportional to 472,534,803.30, 708,589,628.55 and 181,305,135.30 is: 271,876,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,534,803.30 : 708,589,628.55 = 181,305,135.30 : x
  2. Step 2: Convert to fraction form
    472,534,803.30/708,589,628.55 = 181,305,135.30/x
  3. Step 3: Cross multiply
    472,534,803.30x = 708,589,628.55 × 181,305,135.30
  4. Step 4: Simplify right side
    472,534,803.30x = 128,470,938,476,434,496
  5. Step 5: Solve for x
    x = 128,470,938,476,434,496/472,534,803.30
  6. Step 6: Final answer
    x = 271,876,140.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.