Home / 2,191,894,978.82-3,287,842,404.70-1,011,126,106.66

Finding the Fourth Proportional to 2,191,894,978.82, 3,287,842,404.70 and 1,011,126,106.66

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Solution

The fourth proportional to 2,191,894,978.82, 3,287,842,404.70 and 1,011,126,106.66 is: 1,516,689,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,894,978.82 : 3,287,842,404.70 = 1,011,126,106.66 : x
  2. Step 2: Convert to fraction form
    2,191,894,978.82/3,287,842,404.70 = 1,011,126,106.66/x
  3. Step 3: Cross multiply
    2,191,894,978.82x = 3,287,842,404.70 × 1,011,126,106.66
  4. Step 4: Simplify right side
    2,191,894,978.82x = 3,324,423,289,975,962,624
  5. Step 5: Solve for x
    x = 3,324,423,289,975,962,624/2,191,894,978.82
  6. Step 6: Final answer
    x = 1,516,689,130.68

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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.