Home / 424,708,168.88-636,413,282.52-286,020,963.56

Finding the Fourth Proportional to 424,708,168.88, 636,413,282.52 and 286,020,963.56

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Solution

The fourth proportional to 424,708,168.88, 636,413,282.52 and 286,020,963.56 is: 428,594,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,708,168.88 : 636,413,282.52 = 286,020,963.56 : x
  2. Step 2: Convert to fraction form
    424,708,168.88/636,413,282.52 = 286,020,963.56/x
  3. Step 3: Cross multiply
    424,708,168.88x = 636,413,282.52 × 286,020,963.56
  4. Step 4: Simplify right side
    424,708,168.88x = 182,027,540,288,752,896
  5. Step 5: Solve for x
    x = 182,027,540,288,752,896/424,708,168.88
  6. Step 6: Final answer
    x = 428,594,394.05

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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.