Home / 2,807,889,720.70-4,211,834,581.05-1,991,596,344.70

Finding the Fourth Proportional to 2,807,889,720.70, 4,211,834,581.05 and 1,991,596,344.70

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Solution

The fourth proportional to 2,807,889,720.70, 4,211,834,581.05 and 1,991,596,344.70 is: 2,987,394,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,889,720.70 : 4,211,834,581.05 = 1,991,596,344.70 : x
  2. Step 2: Convert to fraction form
    2,807,889,720.70/4,211,834,581.05 = 1,991,596,344.70/x
  3. Step 3: Cross multiply
    2,807,889,720.70x = 4,211,834,581.05 × 1,991,596,344.70
  4. Step 4: Simplify right side
    2,807,889,720.70x = 8,388,274,356,100,236,288
  5. Step 5: Solve for x
    x = 8,388,274,356,100,236,288/2,807,889,720.70
  6. Step 6: Final answer
    x = 2,987,394,517.05

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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.