Home / 2,218,315,255.14-3,061,370,711.10-1,228,240,759.62

Finding the Fourth Proportional to 2,218,315,255.14, 3,061,370,711.10 and 1,228,240,759.62

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Solution

The fourth proportional to 2,218,315,255.14, 3,061,370,711.10 and 1,228,240,759.62 is: 1,695,025,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,315,255.14 : 3,061,370,711.10 = 1,228,240,759.62 : x
  2. Step 2: Convert to fraction form
    2,218,315,255.14/3,061,370,711.10 = 1,228,240,759.62/x
  3. Step 3: Cross multiply
    2,218,315,255.14x = 3,061,370,711.10 × 1,228,240,759.62
  4. Step 4: Simplify right side
    2,218,315,255.14x = 3,760,100,287,679,883,264
  5. Step 5: Solve for x
    x = 3,760,100,287,679,883,264/2,218,315,255.14
  6. Step 6: Final answer
    x = 1,695,025,212.93

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Double scale
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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.