Home / 580,309,821.48-870,579,614.10-165,790,171.80

Finding the Fourth Proportional to 580,309,821.48, 870,579,614.10 and 165,790,171.80

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Solution

The fourth proportional to 580,309,821.48, 870,579,614.10 and 165,790,171.80 is: 248,718,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,309,821.48 : 870,579,614.10 = 165,790,171.80 : x
  2. Step 2: Convert to fraction form
    580,309,821.48/870,579,614.10 = 165,790,171.80/x
  3. Step 3: Cross multiply
    580,309,821.48x = 870,579,614.10 × 165,790,171.80
  4. Step 4: Simplify right side
    580,309,821.48x = 144,333,543,787,216,704
  5. Step 5: Solve for x
    x = 144,333,543,787,216,704/580,309,821.48
  6. Step 6: Final answer
    x = 248,718,078.59

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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.