Home / 18,112,335,242.64-27,180,913,054.24-6,321,453,711.88

Finding the Fourth Proportional to 18,112,335,242.64, 27,180,913,054.24 and 6,321,453,711.88

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Solution

The fourth proportional to 18,112,335,242.64, 27,180,913,054.24 and 6,321,453,711.88 is: 9,486,511,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112,335,242.64 : 27,180,913,054.24 = 6,321,453,711.88 : x
  2. Step 2: Convert to fraction form
    18,112,335,242.64/27,180,913,054.24 = 6,321,453,711.88/x
  3. Step 3: Cross multiply
    18,112,335,242.64x = 27,180,913,054.24 × 6,321,453,711.88
  4. Step 4: Simplify right side
    18,112,335,242.64x = 171,822,883,719,013,007,360
  5. Step 5: Solve for x
    x = 171,822,883,719,013,007,360/18,112,335,242.64
  6. Step 6: Final answer
    x = 9,486,511,894.64

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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.