Home / 2,191,894,971.32-3,287,842,393.44-1,011,126,099.17

Finding the Fourth Proportional to 2,191,894,971.32, 3,287,842,393.44 and 1,011,126,099.17

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Solution

The fourth proportional to 2,191,894,971.32, 3,287,842,393.44 and 1,011,126,099.17 is: 1,516,689,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,894,971.32 : 3,287,842,393.44 = 1,011,126,099.17 : x
  2. Step 2: Convert to fraction form
    2,191,894,971.32/3,287,842,393.44 = 1,011,126,099.17/x
  3. Step 3: Cross multiply
    2,191,894,971.32x = 3,287,842,393.44 × 1,011,126,099.17
  4. Step 4: Simplify right side
    2,191,894,971.32x = 3,324,423,253,948,304,384
  5. Step 5: Solve for x
    x = 3,324,423,253,948,304,384/2,191,894,971.32
  6. Step 6: Final answer
    x = 1,516,689,119.44

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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.