Home / 420,804,401.16-580,659,773.24-232,607,271

Finding the Fourth Proportional to 420,804,401.16, 580,659,773.24 and 232,607,271

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Solution

The fourth proportional to 420,804,401.16, 580,659,773.24 and 232,607,271 is: 320,970,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,804,401.16 : 580,659,773.24 = 232,607,271 : x
  2. Step 2: Convert to fraction form
    420,804,401.16/580,659,773.24 = 232,607,271/x
  3. Step 3: Cross multiply
    420,804,401.16x = 580,659,773.24 × 232,607,271
  4. Step 4: Simplify right side
    420,804,401.16x = 135,065,685,232,835,232
  5. Step 5: Solve for x
    x = 135,065,685,232,835,232/420,804,401.16
  6. Step 6: Final answer
    x = 320,970,229.54

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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.