Home / 2,305,505,917.16-3,181,539,191.46-1,288,239,488.36

Finding the Fourth Proportional to 2,305,505,917.16, 3,181,539,191.46 and 1,288,239,488.36

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Solution

The fourth proportional to 2,305,505,917.16, 3,181,539,191.46 and 1,288,239,488.36 is: 1,777,737,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,505,917.16 : 3,181,539,191.46 = 1,288,239,488.36 : x
  2. Step 2: Convert to fraction form
    2,305,505,917.16/3,181,539,191.46 = 1,288,239,488.36/x
  3. Step 3: Cross multiply
    2,305,505,917.16x = 3,181,539,191.46 × 1,288,239,488.36
  4. Step 4: Simplify right side
    2,305,505,917.16x = 4,098,584,420,203,718,144
  5. Step 5: Solve for x
    x = 4,098,584,420,203,718,144/2,305,505,917.16
  6. Step 6: Final answer
    x = 1,777,737,541.12

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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.