Home / 1,193,662,108.26-1,647,215,078.90-685,108,528.40

Finding the Fourth Proportional to 1,193,662,108.26, 1,647,215,078.90 and 685,108,528.40

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Solution

The fourth proportional to 1,193,662,108.26, 1,647,215,078.90 and 685,108,528.40 is: 945,427,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,662,108.26 : 1,647,215,078.90 = 685,108,528.40 : x
  2. Step 2: Convert to fraction form
    1,193,662,108.26/1,647,215,078.90 = 685,108,528.40/x
  3. Step 3: Cross multiply
    1,193,662,108.26x = 1,647,215,078.90 × 685,108,528.40
  4. Step 4: Simplify right side
    1,193,662,108.26x = 1,128,521,098,664,161,408
  5. Step 5: Solve for x
    x = 1,128,521,098,664,161,408/1,193,662,108.26
  6. Step 6: Final answer
    x = 945,427,597.02

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Double scale
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1.5x scale

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.