Home / 424,708,125.88-636,413,218.02-286,020,920.56

Finding the Fourth Proportional to 424,708,125.88, 636,413,218.02 and 286,020,920.56

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Solution

The fourth proportional to 424,708,125.88, 636,413,218.02 and 286,020,920.56 is: 428,594,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,708,125.88 : 636,413,218.02 = 286,020,920.56 : x
  2. Step 2: Convert to fraction form
    424,708,125.88/636,413,218.02 = 286,020,920.56/x
  3. Step 3: Cross multiply
    424,708,125.88x = 636,413,218.02 × 286,020,920.56
  4. Step 4: Simplify right side
    424,708,125.88x = 182,027,494,474,632,384
  5. Step 5: Solve for x
    x = 182,027,494,474,632,384/424,708,125.88
  6. Step 6: Final answer
    x = 428,594,329.57

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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.