Home / 2,191,894,975.83-3,287,842,400.19-1,011,126,103.68

Finding the Fourth Proportional to 2,191,894,975.83, 3,287,842,400.19 and 1,011,126,103.68

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Solution

The fourth proportional to 2,191,894,975.83, 3,287,842,400.19 and 1,011,126,103.68 is: 1,516,689,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,894,975.83 : 3,287,842,400.19 = 1,011,126,103.68 : x
  2. Step 2: Convert to fraction form
    2,191,894,975.83/3,287,842,400.19 = 1,011,126,103.68/x
  3. Step 3: Cross multiply
    2,191,894,975.83x = 3,287,842,400.19 × 1,011,126,103.68
  4. Step 4: Simplify right side
    2,191,894,975.83x = 3,324,423,275,618,013,696
  5. Step 5: Solve for x
    x = 3,324,423,275,618,013,696/2,191,894,975.83
  6. Step 6: Final answer
    x = 1,516,689,126.20

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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.