Home / 581,274,928.80-872,080,354.80-172,340,920.80

Finding the Fourth Proportional to 581,274,928.80, 872,080,354.80 and 172,340,920.80

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Solution

The fourth proportional to 581,274,928.80, 872,080,354.80 and 172,340,920.80 is: 258,561,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,274,928.80 : 872,080,354.80 = 172,340,920.80 : x
  2. Step 2: Convert to fraction form
    581,274,928.80/872,080,354.80 = 172,340,920.80/x
  3. Step 3: Cross multiply
    581,274,928.80x = 872,080,354.80 × 172,340,920.80
  4. Step 4: Simplify right side
    581,274,928.80x = 150,295,131,357,822,688
  5. Step 5: Solve for x
    x = 150,295,131,357,822,688/581,274,928.80
  6. Step 6: Final answer
    x = 258,561,179.76

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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.