Home / 2,202,229,789.09-3,039,142,878.90-1,355,945,335.78

Finding the Fourth Proportional to 2,202,229,789.09, 3,039,142,878.90 and 1,355,945,335.78

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Solution

The fourth proportional to 2,202,229,789.09, 3,039,142,878.90 and 1,355,945,335.78 is: 1,871,245,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202,229,789.09 : 3,039,142,878.90 = 1,355,945,335.78 : x
  2. Step 2: Convert to fraction form
    2,202,229,789.09/3,039,142,878.90 = 1,355,945,335.78/x
  3. Step 3: Cross multiply
    2,202,229,789.09x = 3,039,142,878.90 × 1,355,945,335.78
  4. Step 4: Simplify right side
    2,202,229,789.09x = 4,120,911,611,413,456,384
  5. Step 5: Solve for x
    x = 4,120,911,611,413,456,384/2,202,229,789.09
  6. Step 6: Final answer
    x = 1,871,245,058.91

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1.5x scale

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.