Home / 1,217,700,996.12-1,826,546,344.74-441,164,591.64

Finding the Fourth Proportional to 1,217,700,996.12, 1,826,546,344.74 and 441,164,591.64

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Solution

The fourth proportional to 1,217,700,996.12, 1,826,546,344.74 and 441,164,591.64 is: 661,745,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,700,996.12 : 1,826,546,344.74 = 441,164,591.64 : x
  2. Step 2: Convert to fraction form
    1,217,700,996.12/1,826,546,344.74 = 441,164,591.64/x
  3. Step 3: Cross multiply
    1,217,700,996.12x = 1,826,546,344.74 × 441,164,591.64
  4. Step 4: Simplify right side
    1,217,700,996.12x = 805,807,572,288,756,736
  5. Step 5: Solve for x
    x = 805,807,572,288,756,736/1,217,700,996.12
  6. Step 6: Final answer
    x = 661,745,021.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.