Home / 420,870,223.26-580,821,151.38-232,695,035.19

Finding the Fourth Proportional to 420,870,223.26, 580,821,151.38 and 232,695,035.19

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Solution

The fourth proportional to 420,870,223.26, 580,821,151.38 and 232,695,035.19 is: 321,130,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,870,223.26 : 580,821,151.38 = 232,695,035.19 : x
  2. Step 2: Convert to fraction form
    420,870,223.26/580,821,151.38 = 232,695,035.19/x
  3. Step 3: Cross multiply
    420,870,223.26x = 580,821,151.38 × 232,695,035.19
  4. Step 4: Simplify right side
    420,870,223.26x = 135,154,198,259,465,408
  5. Step 5: Solve for x
    x = 135,154,198,259,465,408/420,870,223.26
  6. Step 6: Final answer
    x = 321,130,340.87

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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.