Home / 386,344,806.40-579,545,203.20-232,659,942.40

Finding the Fourth Proportional to 386,344,806.40, 579,545,203.20 and 232,659,942.40

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Solution

The fourth proportional to 386,344,806.40, 579,545,203.20 and 232,659,942.40 is: 349,006,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,344,806.40 : 579,545,203.20 = 232,659,942.40 : x
  2. Step 2: Convert to fraction form
    386,344,806.40/579,545,203.20 = 232,659,942.40/x
  3. Step 3: Cross multiply
    386,344,806.40x = 579,545,203.20 × 232,659,942.40
  4. Step 4: Simplify right side
    386,344,806.40x = 134,836,953,594,708,304
  5. Step 5: Solve for x
    x = 134,836,953,594,708,304/386,344,806.40
  6. Step 6: Final answer
    x = 349,006,771.57

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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.