Home / 1,820,578,694.72-2,512,398,601.50-985,203,265

Finding the Fourth Proportional to 1,820,578,694.72, 2,512,398,601.50 and 985,203,265

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Solution

The fourth proportional to 1,820,578,694.72, 2,512,398,601.50 and 985,203,265 is: 1,359,580,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,578,694.72 : 2,512,398,601.50 = 985,203,265 : x
  2. Step 2: Convert to fraction form
    1,820,578,694.72/2,512,398,601.50 = 985,203,265/x
  3. Step 3: Cross multiply
    1,820,578,694.72x = 2,512,398,601.50 × 985,203,265
  4. Step 4: Simplify right side
    1,820,578,694.72x = 2,475,223,305,179,233,792
  5. Step 5: Solve for x
    x = 2,475,223,305,179,233,792/1,820,578,694.72
  6. Step 6: Final answer
    x = 1,359,580,507.21

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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.