Home / 1,988,263,563.24-2,981,917,047.95-608,090,028.60

Finding the Fourth Proportional to 1,988,263,563.24, 2,981,917,047.95 and 608,090,028.60

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Solution

The fourth proportional to 1,988,263,563.24, 2,981,917,047.95 and 608,090,028.60 is: 911,988,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,263,563.24 : 2,981,917,047.95 = 608,090,028.60 : x
  2. Step 2: Convert to fraction form
    1,988,263,563.24/2,981,917,047.95 = 608,090,028.60/x
  3. Step 3: Cross multiply
    1,988,263,563.24x = 2,981,917,047.95 × 608,090,028.60
  4. Step 4: Simplify right side
    1,988,263,563.24x = 1,813,274,022,981,195,520
  5. Step 5: Solve for x
    x = 1,813,274,022,981,195,520/1,988,263,563.24
  6. Step 6: Final answer
    x = 911,988,760.70

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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.