Home / 275,010,722,711.72-412,515,986,975.30-73,547,221,774.47

Finding the Fourth Proportional to 275,010,722,711.72, 412,515,986,975.30 and 73,547,221,774.47

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Solution

The fourth proportional to 275,010,722,711.72, 412,515,986,975.30 and 73,547,221,774.47 is: 110,320,806,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,010,722,711.72 : 412,515,986,975.30 = 73,547,221,774.47 : x
  2. Step 2: Convert to fraction form
    275,010,722,711.72/412,515,986,975.30 = 73,547,221,774.47/x
  3. Step 3: Cross multiply
    275,010,722,711.72x = 412,515,986,975.30 × 73,547,221,774.47
  4. Step 4: Simplify right side
    275,010,722,711.72x = 30,339,404,779,586,767,028,224
  5. Step 5: Solve for x
    x = 30,339,404,779,586,767,028,224/275,010,722,711.72
  6. Step 6: Final answer
    x = 110,320,806,695.93

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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.