Home / 2,138,796,940.40-3,208,195,410.60-2,061,312,842.60

Finding the Fourth Proportional to 2,138,796,940.40, 3,208,195,410.60 and 2,061,312,842.60

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Solution

The fourth proportional to 2,138,796,940.40, 3,208,195,410.60 and 2,061,312,842.60 is: 3,091,969,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,796,940.40 : 3,208,195,410.60 = 2,061,312,842.60 : x
  2. Step 2: Convert to fraction form
    2,138,796,940.40/3,208,195,410.60 = 2,061,312,842.60/x
  3. Step 3: Cross multiply
    2,138,796,940.40x = 3,208,195,410.60 × 2,061,312,842.60
  4. Step 4: Simplify right side
    2,138,796,940.40x = 6,613,094,401,440,159,744
  5. Step 5: Solve for x
    x = 6,613,094,401,440,159,744/2,138,796,940.40
  6. Step 6: Final answer
    x = 3,091,969,263.90

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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.