Home / 1,976,343,431.18-2,965,005,806.90-980,831,677.39

Finding the Fourth Proportional to 1,976,343,431.18, 2,965,005,806.90 and 980,831,677.39

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Solution

The fourth proportional to 1,976,343,431.18, 2,965,005,806.90 and 980,831,677.39 is: 1,471,491,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,343,431.18 : 2,965,005,806.90 = 980,831,677.39 : x
  2. Step 2: Convert to fraction form
    1,976,343,431.18/2,965,005,806.90 = 980,831,677.39/x
  3. Step 3: Cross multiply
    1,976,343,431.18x = 2,965,005,806.90 × 980,831,677.39
  4. Step 4: Simplify right side
    1,976,343,431.18x = 2,908,171,619,040,500,736
  5. Step 5: Solve for x
    x = 2,908,171,619,040,500,736/1,976,343,431.18
  6. Step 6: Final answer
    x = 1,471,491,023.86

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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.