Home / 632,925,772.65-949,388,658.98-426,301,511.85

Finding the Fourth Proportional to 632,925,772.65, 949,388,658.98 and 426,301,511.85

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Solution

The fourth proportional to 632,925,772.65, 949,388,658.98 and 426,301,511.85 is: 639,452,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,925,772.65 : 949,388,658.98 = 426,301,511.85 : x
  2. Step 2: Convert to fraction form
    632,925,772.65/949,388,658.98 = 426,301,511.85/x
  3. Step 3: Cross multiply
    632,925,772.65x = 949,388,658.98 × 426,301,511.85
  4. Step 4: Simplify right side
    632,925,772.65x = 404,725,820,654,286,592
  5. Step 5: Solve for x
    x = 404,725,820,654,286,592/632,925,772.65
  6. Step 6: Final answer
    x = 639,452,267.78

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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.