Home / 386,344,812.40-579,545,212.20-232,659,948.40

Finding the Fourth Proportional to 386,344,812.40, 579,545,212.20 and 232,659,948.40

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Solution

The fourth proportional to 386,344,812.40, 579,545,212.20 and 232,659,948.40 is: 349,006,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,344,812.40 : 579,545,212.20 = 232,659,948.40 : x
  2. Step 2: Convert to fraction form
    386,344,812.40/579,545,212.20 = 232,659,948.40/x
  3. Step 3: Cross multiply
    386,344,812.40x = 579,545,212.20 × 232,659,948.40
  4. Step 4: Simplify right side
    386,344,812.40x = 134,836,959,165,919,072
  5. Step 5: Solve for x
    x = 134,836,959,165,919,072/386,344,812.40
  6. Step 6: Final answer
    x = 349,006,780.57

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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.