Home / 510,170,806.97-704,033,987.12-287,152,359.41

Finding the Fourth Proportional to 510,170,806.97, 704,033,987.12 and 287,152,359.41

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Solution

The fourth proportional to 510,170,806.97, 704,033,987.12 and 287,152,359.41 is: 396,269,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,170,806.97 : 704,033,987.12 = 287,152,359.41 : x
  2. Step 2: Convert to fraction form
    510,170,806.97/704,033,987.12 = 287,152,359.41/x
  3. Step 3: Cross multiply
    510,170,806.97x = 704,033,987.12 × 287,152,359.41
  4. Step 4: Simplify right side
    510,170,806.97x = 202,165,020,503,782,048
  5. Step 5: Solve for x
    x = 202,165,020,503,782,048/510,170,806.97
  6. Step 6: Final answer
    x = 396,269,284.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.