Home / 1,345,298,512.80-2,017,947,769.20-996,620,072.70

Finding the Fourth Proportional to 1,345,298,512.80, 2,017,947,769.20 and 996,620,072.70

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Solution

The fourth proportional to 1,345,298,512.80, 2,017,947,769.20 and 996,620,072.70 is: 1,494,930,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,298,512.80 : 2,017,947,769.20 = 996,620,072.70 : x
  2. Step 2: Convert to fraction form
    1,345,298,512.80/2,017,947,769.20 = 996,620,072.70/x
  3. Step 3: Cross multiply
    1,345,298,512.80x = 2,017,947,769.20 × 996,620,072.70
  4. Step 4: Simplify right side
    1,345,298,512.80x = 2,011,127,252,444,907,008
  5. Step 5: Solve for x
    x = 2,011,127,252,444,907,008/1,345,298,512.80
  6. Step 6: Final answer
    x = 1,494,930,109.05

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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.