Home / 2,815,836,985.22-4,223,916,889.23-745,504,949.66

Finding the Fourth Proportional to 2,815,836,985.22, 4,223,916,889.23 and 745,504,949.66

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Solution

The fourth proportional to 2,815,836,985.22, 4,223,916,889.23 and 745,504,949.66 is: 1,118,300,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,836,985.22 : 4,223,916,889.23 = 745,504,949.66 : x
  2. Step 2: Convert to fraction form
    2,815,836,985.22/4,223,916,889.23 = 745,504,949.66/x
  3. Step 3: Cross multiply
    2,815,836,985.22x = 4,223,916,889.23 × 745,504,949.66
  4. Step 4: Simplify right side
    2,815,836,985.22x = 3,148,950,947,873,434,624
  5. Step 5: Solve for x
    x = 3,148,950,947,873,434,624/2,815,836,985.22
  6. Step 6: Final answer
    x = 1,118,300,158.85

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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.