Home / 7,749,479,079.10-11,627,846,641.05-3,386,844,480.70

Finding the Fourth Proportional to 7,749,479,079.10, 11,627,846,641.05 and 3,386,844,480.70

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Solution

The fourth proportional to 7,749,479,079.10, 11,627,846,641.05 and 3,386,844,480.70 is: 5,081,852,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749,479,079.10 : 11,627,846,641.05 = 3,386,844,480.70 : x
  2. Step 2: Convert to fraction form
    7,749,479,079.10/11,627,846,641.05 = 3,386,844,480.70/x
  3. Step 3: Cross multiply
    7,749,479,079.10x = 11,627,846,641.05 × 3,386,844,480.70
  4. Step 4: Simplify right side
    7,749,479,079.10x = 39,381,708,218,666,221,568
  5. Step 5: Solve for x
    x = 39,381,708,218,666,221,568/7,749,479,079.10
  6. Step 6: Final answer
    x = 5,081,852,317.65

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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.