Home / 2,215,245,685.92-3,057,980,334.88-1,380,282,787.58

Finding the Fourth Proportional to 2,215,245,685.92, 3,057,980,334.88 and 1,380,282,787.58

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Solution

The fourth proportional to 2,215,245,685.92, 3,057,980,334.88 and 1,380,282,787.58 is: 1,905,376,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,245,685.92 : 3,057,980,334.88 = 1,380,282,787.58 : x
  2. Step 2: Convert to fraction form
    2,215,245,685.92/3,057,980,334.88 = 1,380,282,787.58/x
  3. Step 3: Cross multiply
    2,215,245,685.92x = 3,057,980,334.88 × 1,380,282,787.58
  4. Step 4: Simplify right side
    2,215,245,685.92x = 4,220,877,620,992,988,160
  5. Step 5: Solve for x
    x = 4,220,877,620,992,988,160/2,215,245,685.92
  6. Step 6: Final answer
    x = 1,905,376,747.97

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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.