Home / 448,448,974.89-619,165,585.13-290,063,023.17

Finding the Fourth Proportional to 448,448,974.89, 619,165,585.13 and 290,063,023.17

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Solution

The fourth proportional to 448,448,974.89, 619,165,585.13 and 290,063,023.17 is: 400,484,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,448,974.89 : 619,165,585.13 = 290,063,023.17 : x
  2. Step 2: Convert to fraction form
    448,448,974.89/619,165,585.13 = 290,063,023.17/x
  3. Step 3: Cross multiply
    448,448,974.89x = 619,165,585.13 × 290,063,023.17
  4. Step 4: Simplify right side
    448,448,974.89x = 179,597,041,465,629,792
  5. Step 5: Solve for x
    x = 179,597,041,465,629,792/448,448,974.89
  6. Step 6: Final answer
    x = 400,484,896.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.