Home / 386,161,785.60-579,088,713.60-127,304,966.40

Finding the Fourth Proportional to 386,161,785.60, 579,088,713.60 and 127,304,966.40

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Solution

The fourth proportional to 386,161,785.60, 579,088,713.60 and 127,304,966.40 is: 190,906,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,161,785.60 : 579,088,713.60 = 127,304,966.40 : x
  2. Step 2: Convert to fraction form
    386,161,785.60/579,088,713.60 = 127,304,966.40/x
  3. Step 3: Cross multiply
    386,161,785.60x = 579,088,713.60 × 127,304,966.40
  4. Step 4: Simplify right side
    386,161,785.60x = 73,720,869,227,467,232
  5. Step 5: Solve for x
    x = 73,720,869,227,467,232/386,161,785.60
  6. Step 6: Final answer
    x = 190,906,692.42

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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.