Home / 2,086,311,992.80-3,129,845,902.80-1,048,561,247.20

Finding the Fourth Proportional to 2,086,311,992.80, 3,129,845,902.80 and 1,048,561,247.20

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Solution

The fourth proportional to 2,086,311,992.80, 3,129,845,902.80 and 1,048,561,247.20 is: 1,573,031,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,311,992.80 : 3,129,845,902.80 = 1,048,561,247.20 : x
  2. Step 2: Convert to fraction form
    2,086,311,992.80/3,129,845,902.80 = 1,048,561,247.20/x
  3. Step 3: Cross multiply
    2,086,311,992.80x = 3,129,845,902.80 × 1,048,561,247.20
  4. Step 4: Simplify right side
    2,086,311,992.80x = 3,281,835,123,383,778,304
  5. Step 5: Solve for x
    x = 3,281,835,123,383,778,304/2,086,311,992.80
  6. Step 6: Final answer
    x = 1,573,031,806.70

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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.