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Finding the Fourth Proportional to 1,330,608,215.04, 1,836,165,034.08 and 727,659,854.04

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Solution

The fourth proportional to 1,330,608,215.04, 1,836,165,034.08 and 727,659,854.04 is: 1,004,129,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,608,215.04 : 1,836,165,034.08 = 727,659,854.04 : x
  2. Step 2: Convert to fraction form
    1,330,608,215.04/1,836,165,034.08 = 727,659,854.04/x
  3. Step 3: Cross multiply
    1,330,608,215.04x = 1,836,165,034.08 × 727,659,854.04
  4. Step 4: Simplify right side
    1,330,608,215.04x = 1,336,103,580,692,004,352
  5. Step 5: Solve for x
    x = 1,336,103,580,692,004,352/1,330,608,215.04
  6. Step 6: Final answer
    x = 1,004,129,965.22

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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.