Home / 15,178,045,177,793-20,945,702,345,360-8,682,165,838,729

Finding the Fourth Proportional to 15,178,045,177,793, 20,945,702,345,360 and 8,682,165,838,729

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Solution

The fourth proportional to 15,178,045,177,793, 20,945,702,345,360 and 8,682,165,838,729 is: 11,981,388,857,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,045,177,793 : 20,945,702,345,360 = 8,682,165,838,729 : x
  2. Step 2: Convert to fraction form
    15,178,045,177,793/20,945,702,345,360 = 8,682,165,838,729/x
  3. Step 3: Cross multiply
    15,178,045,177,793x = 20,945,702,345,360 × 8,682,165,838,729
  4. Step 4: Simplify right side
    15,178,045,177,793x = 181,854,061,371,070,475,359,223,808
  5. Step 5: Solve for x
    x = 181,854,061,371,070,475,359,223,808/15,178,045,177,793
  6. Step 6: Final answer
    x = 11,981,388,857,449.26

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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.