Home / 1,156,305,876.68-1,595,656,141.40-654,618,728.58

Finding the Fourth Proportional to 1,156,305,876.68, 1,595,656,141.40 and 654,618,728.58

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Solution

The fourth proportional to 1,156,305,876.68, 1,595,656,141.40 and 654,618,728.58 is: 903,347,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,305,876.68 : 1,595,656,141.40 = 654,618,728.58 : x
  2. Step 2: Convert to fraction form
    1,156,305,876.68/1,595,656,141.40 = 654,618,728.58/x
  3. Step 3: Cross multiply
    1,156,305,876.68x = 1,595,656,141.40 × 654,618,728.58
  4. Step 4: Simplify right side
    1,156,305,876.68x = 1,044,546,394,530,863,616
  5. Step 5: Solve for x
    x = 1,044,546,394,530,863,616/1,156,305,876.68
  6. Step 6: Final answer
    x = 903,347,821.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.