Home / 13,825,407,959.64-20,729,714,182.17-5,421,245,282.66

Finding the Fourth Proportional to 13,825,407,959.64, 20,729,714,182.17 and 5,421,245,282.66

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Solution

The fourth proportional to 13,825,407,959.64, 20,729,714,182.17 and 5,421,245,282.66 is: 8,128,574,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825,407,959.64 : 20,729,714,182.17 = 5,421,245,282.66 : x
  2. Step 2: Convert to fraction form
    13,825,407,959.64/20,729,714,182.17 = 5,421,245,282.66/x
  3. Step 3: Cross multiply
    13,825,407,959.64x = 20,729,714,182.17 × 5,421,245,282.66
  4. Step 4: Simplify right side
    13,825,407,959.64x = 112,380,865,220,875,550,720
  5. Step 5: Solve for x
    x = 112,380,865,220,875,550,720/13,825,407,959.64
  6. Step 6: Final answer
    x = 8,128,574,979.41

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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.