Home / 658,236,884.38-908,368,114.33-356,821,263.88

Finding the Fourth Proportional to 658,236,884.38, 908,368,114.33 and 356,821,263.88

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Solution

The fourth proportional to 658,236,884.38, 908,368,114.33 and 356,821,263.88 is: 492,414,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,236,884.38 : 908,368,114.33 = 356,821,263.88 : x
  2. Step 2: Convert to fraction form
    658,236,884.38/908,368,114.33 = 356,821,263.88/x
  3. Step 3: Cross multiply
    658,236,884.38x = 908,368,114.33 × 356,821,263.88
  4. Step 4: Simplify right side
    658,236,884.38x = 324,125,058,623,522,944
  5. Step 5: Solve for x
    x = 324,125,058,623,522,944/658,236,884.38
  6. Step 6: Final answer
    x = 492,414,002.19

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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.