Home / 908,305,975.88-1,253,462,726.98-490,618,260.32

Finding the Fourth Proportional to 908,305,975.88, 1,253,462,726.98 and 490,618,260.32

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Solution

The fourth proportional to 908,305,975.88, 1,253,462,726.98 and 490,618,260.32 is: 677,053,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,305,975.88 : 1,253,462,726.98 = 490,618,260.32 : x
  2. Step 2: Convert to fraction form
    908,305,975.88/1,253,462,726.98 = 490,618,260.32/x
  3. Step 3: Cross multiply
    908,305,975.88x = 1,253,462,726.98 × 490,618,260.32
  4. Step 4: Simplify right side
    908,305,975.88x = 614,971,702,479,396,864
  5. Step 5: Solve for x
    x = 614,971,702,479,396,864/908,305,975.88
  6. Step 6: Final answer
    x = 677,053,458.65

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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.