Home / 275,010,722,709.59-412,515,986,972.09-73,547,221,772.33

Finding the Fourth Proportional to 275,010,722,709.59, 412,515,986,972.09 and 73,547,221,772.33

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Solution

The fourth proportional to 275,010,722,709.59, 412,515,986,972.09 and 73,547,221,772.33 is: 110,320,806,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,010,722,709.59 : 412,515,986,972.09 = 73,547,221,772.33 : x
  2. Step 2: Convert to fraction form
    275,010,722,709.59/412,515,986,972.09 = 73,547,221,772.33/x
  3. Step 3: Cross multiply
    275,010,722,709.59x = 412,515,986,972.09 × 73,547,221,772.33
  4. Step 4: Simplify right side
    275,010,722,709.59x = 30,339,404,778,466,657,173,504
  5. Step 5: Solve for x
    x = 30,339,404,778,466,657,173,504/275,010,722,709.59
  6. Step 6: Final answer
    x = 110,320,806,692.71

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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.