Home / 489,396,256.80-734,094,385.20-282,488,560.80

Finding the Fourth Proportional to 489,396,256.80, 734,094,385.20 and 282,488,560.80

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Solution

The fourth proportional to 489,396,256.80, 734,094,385.20 and 282,488,560.80 is: 423,732,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,396,256.80 : 734,094,385.20 = 282,488,560.80 : x
  2. Step 2: Convert to fraction form
    489,396,256.80/734,094,385.20 = 282,488,560.80/x
  3. Step 3: Cross multiply
    489,396,256.80x = 734,094,385.20 × 282,488,560.80
  4. Step 4: Simplify right side
    489,396,256.80x = 207,373,266,366,508,832
  5. Step 5: Solve for x
    x = 207,373,266,366,508,832/489,396,256.80
  6. Step 6: Final answer
    x = 423,732,841.20

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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.