Home / 21,904,992,003.20-32,857,488,004.80-13,197,862,659.20

Finding the Fourth Proportional to 21,904,992,003.20, 32,857,488,004.80 and 13,197,862,659.20

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Solution

The fourth proportional to 21,904,992,003.20, 32,857,488,004.80 and 13,197,862,659.20 is: 19,796,793,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904,992,003.20 : 32,857,488,004.80 = 13,197,862,659.20 : x
  2. Step 2: Convert to fraction form
    21,904,992,003.20/32,857,488,004.80 = 13,197,862,659.20/x
  3. Step 3: Cross multiply
    21,904,992,003.20x = 32,857,488,004.80 × 13,197,862,659.20
  4. Step 4: Simplify right side
    21,904,992,003.20x = 433,648,614,013,661,872,128
  5. Step 5: Solve for x
    x = 433,648,614,013,661,872,128/21,904,992,003.20
  6. Step 6: Final answer
    x = 19,796,793,988.80

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1.5x scale

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.