Home / 1,391,042,620.80-2,086,563,931.20-746,070,076.80

Finding the Fourth Proportional to 1,391,042,620.80, 2,086,563,931.20 and 746,070,076.80

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Solution

The fourth proportional to 1,391,042,620.80, 2,086,563,931.20 and 746,070,076.80 is: 1,119,105,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,042,620.80 : 2,086,563,931.20 = 746,070,076.80 : x
  2. Step 2: Convert to fraction form
    1,391,042,620.80/2,086,563,931.20 = 746,070,076.80/x
  3. Step 3: Cross multiply
    1,391,042,620.80x = 2,086,563,931.20 × 746,070,076.80
  4. Step 4: Simplify right side
    1,391,042,620.80x = 1,556,722,912,398,493,952
  5. Step 5: Solve for x
    x = 1,556,722,912,398,493,952/1,391,042,620.80
  6. Step 6: Final answer
    x = 1,119,105,115.20

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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.