Home / 213,718,200,220.29-320,631,562,504.71-98,934,619,778.38

Finding the Fourth Proportional to 213,718,200,220.29, 320,631,562,504.71 and 98,934,619,778.38

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Solution

The fourth proportional to 213,718,200,220.29, 320,631,562,504.71 and 98,934,619,778.38 is: 148,427,048,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,718,200,220.29 : 320,631,562,504.71 = 98,934,619,778.38 : x
  2. Step 2: Convert to fraction form
    213,718,200,220.29/320,631,562,504.71 = 98,934,619,778.38/x
  3. Step 3: Cross multiply
    213,718,200,220.29x = 320,631,562,504.71 × 98,934,619,778.38
  4. Step 4: Simplify right side
    213,718,200,220.29x = 31,721,561,725,351,369,900,032
  5. Step 5: Solve for x
    x = 31,721,561,725,351,369,900,032/213,718,200,220.29
  6. Step 6: Final answer
    x = 148,427,048,761.66

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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.