Home / 908,344,287.06-1,253,515,665.30-490,656,756.88

Finding the Fourth Proportional to 908,344,287.06, 1,253,515,665.30 and 490,656,756.88

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Solution

The fourth proportional to 908,344,287.06, 1,253,515,665.30 and 490,656,756.88 is: 677,106,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,344,287.06 : 1,253,515,665.30 = 490,656,756.88 : x
  2. Step 2: Convert to fraction form
    908,344,287.06/1,253,515,665.30 = 490,656,756.88/x
  3. Step 3: Cross multiply
    908,344,287.06x = 1,253,515,665.30 × 490,656,756.88
  4. Step 4: Simplify right side
    908,344,287.06x = 615,045,931,034,373,504
  5. Step 5: Solve for x
    x = 615,045,931,034,373,504/908,344,287.06
  6. Step 6: Final answer
    x = 677,106,621.13

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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.