Home / 1,188,132,505.65-1,782,198,758.48-1,086,011,852.85

Finding the Fourth Proportional to 1,188,132,505.65, 1,782,198,758.48 and 1,086,011,852.85

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Solution

The fourth proportional to 1,188,132,505.65, 1,782,198,758.48 and 1,086,011,852.85 is: 1,629,017,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,132,505.65 : 1,782,198,758.48 = 1,086,011,852.85 : x
  2. Step 2: Convert to fraction form
    1,188,132,505.65/1,782,198,758.48 = 1,086,011,852.85/x
  3. Step 3: Cross multiply
    1,188,132,505.65x = 1,782,198,758.48 × 1,086,011,852.85
  4. Step 4: Simplify right side
    1,188,132,505.65x = 1,935,488,975,838,404,096
  5. Step 5: Solve for x
    x = 1,935,488,975,838,404,096/1,188,132,505.65
  6. Step 6: Final answer
    x = 1,629,017,779.28

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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.