Home / 6,618,338,126.72-9,927,422,155.20-2,198,789,740.16

Finding the Fourth Proportional to 6,618,338,126.72, 9,927,422,155.20 and 2,198,789,740.16

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Solution

The fourth proportional to 6,618,338,126.72, 9,927,422,155.20 and 2,198,789,740.16 is: 3,298,156,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618,338,126.72 : 9,927,422,155.20 = 2,198,789,740.16 : x
  2. Step 2: Convert to fraction form
    6,618,338,126.72/9,927,422,155.20 = 2,198,789,740.16/x
  3. Step 3: Cross multiply
    6,618,338,126.72x = 9,927,422,155.20 × 2,198,789,740.16
  4. Step 4: Simplify right side
    6,618,338,126.72x = 21,828,313,981,090,836,480
  5. Step 5: Solve for x
    x = 21,828,313,981,090,836,480/6,618,338,126.72
  6. Step 6: Final answer
    x = 3,298,156,359.37

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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.