Home / 908,344,286.55-1,253,515,664.60-490,656,756.37

Finding the Fourth Proportional to 908,344,286.55, 1,253,515,664.60 and 490,656,756.37

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Solution

The fourth proportional to 908,344,286.55, 1,253,515,664.60 and 490,656,756.37 is: 677,106,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,344,286.55 : 1,253,515,664.60 = 490,656,756.37 : x
  2. Step 2: Convert to fraction form
    908,344,286.55/1,253,515,664.60 = 490,656,756.37/x
  3. Step 3: Cross multiply
    908,344,286.55x = 1,253,515,664.60 × 490,656,756.37
  4. Step 4: Simplify right side
    908,344,286.55x = 615,045,930,051,620,736
  5. Step 5: Solve for x
    x = 615,045,930,051,620,736/908,344,286.55
  6. Step 6: Final answer
    x = 677,106,620.43

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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.