Home / 908,344,285.29-1,253,515,662.87-490,656,755.13

Finding the Fourth Proportional to 908,344,285.29, 1,253,515,662.87 and 490,656,755.13

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Solution

The fourth proportional to 908,344,285.29, 1,253,515,662.87 and 490,656,755.13 is: 677,106,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,344,285.29 : 1,253,515,662.87 = 490,656,755.13 : x
  2. Step 2: Convert to fraction form
    908,344,285.29/1,253,515,662.87 = 490,656,755.13/x
  3. Step 3: Cross multiply
    908,344,285.29x = 1,253,515,662.87 × 490,656,755.13
  4. Step 4: Simplify right side
    908,344,285.29x = 615,045,927,648,425,216
  5. Step 5: Solve for x
    x = 615,045,927,648,425,216/908,344,285.29
  6. Step 6: Final answer
    x = 677,106,618.72

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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.