Home / 325,921,806.20-488,882,709.30-172,866,798.20

Finding the Fourth Proportional to 325,921,806.20, 488,882,709.30 and 172,866,798.20

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Solution

The fourth proportional to 325,921,806.20, 488,882,709.30 and 172,866,798.20 is: 259,300,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,921,806.20 : 488,882,709.30 = 172,866,798.20 : x
  2. Step 2: Convert to fraction form
    325,921,806.20/488,882,709.30 = 172,866,798.20/x
  3. Step 3: Cross multiply
    325,921,806.20x = 488,882,709.30 × 172,866,798.20
  4. Step 4: Simplify right side
    325,921,806.20x = 84,511,588,652,032,352
  5. Step 5: Solve for x
    x = 84,511,588,652,032,352/325,921,806.20
  6. Step 6: Final answer
    x = 259,300,197.30

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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.