Home / 472,397,997.30-708,384,419.55-181,168,329.30

Finding the Fourth Proportional to 472,397,997.30, 708,384,419.55 and 181,168,329.30

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Solution

The fourth proportional to 472,397,997.30, 708,384,419.55 and 181,168,329.30 is: 271,670,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,397,997.30 : 708,384,419.55 = 181,168,329.30 : x
  2. Step 2: Convert to fraction form
    472,397,997.30/708,384,419.55 = 181,168,329.30/x
  3. Step 3: Cross multiply
    472,397,997.30x = 708,384,419.55 × 181,168,329.30
  4. Step 4: Simplify right side
    472,397,997.30x = 128,336,821,792,023,760
  5. Step 5: Solve for x
    x = 128,336,821,792,023,760/472,397,997.30
  6. Step 6: Final answer
    x = 271,670,969.24

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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.