Home / 1,327,823,863.27-1,991,599,305.21-442,413,591.76

Finding the Fourth Proportional to 1,327,823,863.27, 1,991,599,305.21 and 442,413,591.76

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Solution

The fourth proportional to 1,327,823,863.27, 1,991,599,305.21 and 442,413,591.76 is: 663,574,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,823,863.27 : 1,991,599,305.21 = 442,413,591.76 : x
  2. Step 2: Convert to fraction form
    1,327,823,863.27/1,991,599,305.21 = 442,413,591.76/x
  3. Step 3: Cross multiply
    1,327,823,863.27x = 1,991,599,305.21 × 442,413,591.76
  4. Step 4: Simplify right side
    1,327,823,863.27x = 881,110,601,964,676,608
  5. Step 5: Solve for x
    x = 881,110,601,964,676,608/1,327,823,863.27
  6. Step 6: Final answer
    x = 663,574,911.05

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Double scale
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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.