Home / 908,344,298.37-1,253,515,680.90-490,656,768.20

Finding the Fourth Proportional to 908,344,298.37, 1,253,515,680.90 and 490,656,768.20

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Solution

The fourth proportional to 908,344,298.37, 1,253,515,680.90 and 490,656,768.20 is: 677,106,636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,344,298.37 : 1,253,515,680.90 = 490,656,768.20 : x
  2. Step 2: Convert to fraction form
    908,344,298.37/1,253,515,680.90 = 490,656,768.20/x
  3. Step 3: Cross multiply
    908,344,298.37x = 1,253,515,680.90 × 490,656,768.20
  4. Step 4: Simplify right side
    908,344,298.37x = 615,045,952,872,148,864
  5. Step 5: Solve for x
    x = 615,045,952,872,148,864/908,344,298.37
  6. Step 6: Final answer
    x = 677,106,636.74

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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.