Home / 908,336,039.85-1,253,504,239.38-490,648,329.23

Finding the Fourth Proportional to 908,336,039.85, 1,253,504,239.38 and 490,648,329.23

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Solution

The fourth proportional to 908,336,039.85, 1,253,504,239.38 and 490,648,329.23 is: 677,094,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,336,039.85 : 1,253,504,239.38 = 490,648,329.23 : x
  2. Step 2: Convert to fraction form
    908,336,039.85/1,253,504,239.38 = 490,648,329.23/x
  3. Step 3: Cross multiply
    908,336,039.85x = 1,253,504,239.38 × 490,648,329.23
  4. Step 4: Simplify right side
    908,336,039.85x = 615,029,760,728,251,520
  5. Step 5: Solve for x
    x = 615,029,760,728,251,520/908,336,039.85
  6. Step 6: Final answer
    x = 677,094,966.78

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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.