Home / 424,383,758.90-636,344,587.87-147,960,627.65

Finding the Fourth Proportional to 424,383,758.90, 636,344,587.87 and 147,960,627.65

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Solution

The fourth proportional to 424,383,758.90, 636,344,587.87 and 147,960,627.65 is: 221,860,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,383,758.90 : 636,344,587.87 = 147,960,627.65 : x
  2. Step 2: Convert to fraction form
    424,383,758.90/636,344,587.87 = 147,960,627.65/x
  3. Step 3: Cross multiply
    424,383,758.90x = 636,344,587.87 × 147,960,627.65
  4. Step 4: Simplify right side
    424,383,758.90x = 94,153,944,622,591,984
  5. Step 5: Solve for x
    x = 94,153,944,622,591,984/424,383,758.90
  6. Step 6: Final answer
    x = 221,860,386.14

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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.