Home / 213,718,200,229.68-320,631,562,518.78-98,934,619,787.75

Finding the Fourth Proportional to 213,718,200,229.68, 320,631,562,518.78 and 98,934,619,787.75

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Solution

The fourth proportional to 213,718,200,229.68, 320,631,562,518.78 and 98,934,619,787.75 is: 148,427,048,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,718,200,229.68 : 320,631,562,518.78 = 98,934,619,787.75 : x
  2. Step 2: Convert to fraction form
    213,718,200,229.68/320,631,562,518.78 = 98,934,619,787.75/x
  3. Step 3: Cross multiply
    213,718,200,229.68x = 320,631,562,518.78 × 98,934,619,787.75
  4. Step 4: Simplify right side
    213,718,200,229.68x = 31,721,561,729,746,090,328,064
  5. Step 5: Solve for x
    x = 31,721,561,729,746,090,328,064/213,718,200,229.68
  6. Step 6: Final answer
    x = 148,427,048,775.70

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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.