Home / 2,138,796,936.40-3,208,195,404.60-2,061,312,838.60

Finding the Fourth Proportional to 2,138,796,936.40, 3,208,195,404.60 and 2,061,312,838.60

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Solution

The fourth proportional to 2,138,796,936.40, 3,208,195,404.60 and 2,061,312,838.60 is: 3,091,969,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,796,936.40 : 3,208,195,404.60 = 2,061,312,838.60 : x
  2. Step 2: Convert to fraction form
    2,138,796,936.40/3,208,195,404.60 = 2,061,312,838.60/x
  3. Step 3: Cross multiply
    2,138,796,936.40x = 3,208,195,404.60 × 2,061,312,838.60
  4. Step 4: Simplify right side
    2,138,796,936.40x = 6,613,094,376,239,501,312
  5. Step 5: Solve for x
    x = 6,613,094,376,239,501,312/2,138,796,936.40
  6. Step 6: Final answer
    x = 3,091,969,257.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.