Home / 895,086,275.82-1,235,055,086.37-498,599,398.50

Finding the Fourth Proportional to 895,086,275.82, 1,235,055,086.37 and 498,599,398.50

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Solution

The fourth proportional to 895,086,275.82, 1,235,055,086.37 and 498,599,398.50 is: 687,975,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,086,275.82 : 1,235,055,086.37 = 498,599,398.50 : x
  2. Step 2: Convert to fraction form
    895,086,275.82/1,235,055,086.37 = 498,599,398.50/x
  3. Step 3: Cross multiply
    895,086,275.82x = 1,235,055,086.37 × 498,599,398.50
  4. Step 4: Simplify right side
    895,086,275.82x = 615,797,723,178,447,488
  5. Step 5: Solve for x
    x = 615,797,723,178,447,488/895,086,275.82
  6. Step 6: Final answer
    x = 687,975,829.61

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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.