Home / 908,344,288.56-1,253,515,667.37-490,656,758.38

Finding the Fourth Proportional to 908,344,288.56, 1,253,515,667.37 and 490,656,758.38

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Solution

The fourth proportional to 908,344,288.56, 1,253,515,667.37 and 490,656,758.38 is: 677,106,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,344,288.56 : 1,253,515,667.37 = 490,656,758.38 : x
  2. Step 2: Convert to fraction form
    908,344,288.56/1,253,515,667.37 = 490,656,758.38/x
  3. Step 3: Cross multiply
    908,344,288.56x = 1,253,515,667.37 × 490,656,758.38
  4. Step 4: Simplify right side
    908,344,288.56x = 615,045,933,930,306,432
  5. Step 5: Solve for x
    x = 615,045,933,930,306,432/908,344,288.56
  6. Step 6: Final answer
    x = 677,106,623.20

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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.