Home / 386,099,506.32-532,785,619.08-227,304,410.64

Finding the Fourth Proportional to 386,099,506.32, 532,785,619.08 and 227,304,410.64

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Solution

The fourth proportional to 386,099,506.32, 532,785,619.08 and 227,304,410.64 is: 313,661,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,099,506.32 : 532,785,619.08 = 227,304,410.64 : x
  2. Step 2: Convert to fraction form
    386,099,506.32/532,785,619.08 = 227,304,410.64/x
  3. Step 3: Cross multiply
    386,099,506.32x = 532,785,619.08 × 227,304,410.64
  4. Step 4: Simplify right side
    386,099,506.32x = 121,104,521,142,446,928
  5. Step 5: Solve for x
    x = 121,104,521,142,446,928/386,099,506.32
  6. Step 6: Final answer
    x = 313,661,424.48

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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.