Home / 1,265,515,227.73-1,898,543,893.52-392,097,256.21

Finding the Fourth Proportional to 1,265,515,227.73, 1,898,543,893.52 and 392,097,256.21

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Solution

The fourth proportional to 1,265,515,227.73, 1,898,543,893.52 and 392,097,256.21 is: 588,229,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,515,227.73 : 1,898,543,893.52 = 392,097,256.21 : x
  2. Step 2: Convert to fraction form
    1,265,515,227.73/1,898,543,893.52 = 392,097,256.21/x
  3. Step 3: Cross multiply
    1,265,515,227.73x = 1,898,543,893.52 × 392,097,256.21
  4. Step 4: Simplify right side
    1,265,515,227.73x = 744,413,851,443,442,304
  5. Step 5: Solve for x
    x = 744,413,851,443,442,304/1,265,515,227.73
  6. Step 6: Final answer
    x = 588,229,864.91

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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.