Home / 863,175,128-1,191,290,774.68-566,067,328.88

Finding the Fourth Proportional to 863,175,128, 1,191,290,774.68 and 566,067,328.88

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Solution

The fourth proportional to 863,175,128, 1,191,290,774.68 and 566,067,328.88 is: 781,244,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,175,128 : 1,191,290,774.68 = 566,067,328.88 : x
  2. Step 2: Convert to fraction form
    863,175,128/1,191,290,774.68 = 566,067,328.88/x
  3. Step 3: Cross multiply
    863,175,128x = 1,191,290,774.68 × 566,067,328.88
  4. Step 4: Simplify right side
    863,175,128x = 674,350,786,742,493,568
  5. Step 5: Solve for x
    x = 674,350,786,742,493,568/863,175,128
  6. Step 6: Final answer
    x = 781,244,459.98

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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.