Home / 875,513,534.40-1,208,199,719.52-484,375,757.76

Finding the Fourth Proportional to 875,513,534.40, 1,208,199,719.52 and 484,375,757.76

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Solution

The fourth proportional to 875,513,534.40, 1,208,199,719.52 and 484,375,757.76 is: 668,433,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,513,534.40 : 1,208,199,719.52 = 484,375,757.76 : x
  2. Step 2: Convert to fraction form
    875,513,534.40/1,208,199,719.52 = 484,375,757.76/x
  3. Step 3: Cross multiply
    875,513,534.40x = 1,208,199,719.52 × 484,375,757.76
  4. Step 4: Simplify right side
    875,513,534.40x = 585,222,654,667,919,488
  5. Step 5: Solve for x
    x = 585,222,654,667,919,488/875,513,534.40
  6. Step 6: Final answer
    x = 668,433,589.74

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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.