Home / 2,073,992,006.40-3,112,182,403.20-782,454,393.60

Finding the Fourth Proportional to 2,073,992,006.40, 3,112,182,403.20 and 782,454,393.60

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Solution

The fourth proportional to 2,073,992,006.40, 3,112,182,403.20 and 782,454,393.60 is: 1,174,132,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073,992,006.40 : 3,112,182,403.20 = 782,454,393.60 : x
  2. Step 2: Convert to fraction form
    2,073,992,006.40/3,112,182,403.20 = 782,454,393.60/x
  3. Step 3: Cross multiply
    2,073,992,006.40x = 3,112,182,403.20 × 782,454,393.60
  4. Step 4: Simplify right side
    2,073,992,006.40x = 2,435,140,795,068,446,720
  5. Step 5: Solve for x
    x = 2,435,140,795,068,446,720/2,073,992,006.40
  6. Step 6: Final answer
    x = 1,174,132,198.94

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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.