Home / 18,947,360,352.52-26,146,321,400.12-10,372,128,103.72

Finding the Fourth Proportional to 18,947,360,352.52, 26,146,321,400.12 and 10,372,128,103.72

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Solution

The fourth proportional to 18,947,360,352.52, 26,146,321,400.12 and 10,372,128,103.72 is: 14,312,969,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947,360,352.52 : 26,146,321,400.12 = 10,372,128,103.72 : x
  2. Step 2: Convert to fraction form
    18,947,360,352.52/26,146,321,400.12 = 10,372,128,103.72/x
  3. Step 3: Cross multiply
    18,947,360,352.52x = 26,146,321,400.12 × 10,372,128,103.72
  4. Step 4: Simplify right side
    18,947,360,352.52x = 271,192,995,003,080,278,016
  5. Step 5: Solve for x
    x = 271,192,995,003,080,278,016/18,947,360,352.52
  6. Step 6: Final answer
    x = 14,312,969,720.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.