Home / 21,873,236,857.80-30,189,922,820.88-13,297,841,337.28

Finding the Fourth Proportional to 21,873,236,857.80, 30,189,922,820.88 and 13,297,841,337.28

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Solution

The fourth proportional to 21,873,236,857.80, 30,189,922,820.88 and 13,297,841,337.28 is: 18,353,973,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,236,857.80 : 30,189,922,820.88 = 13,297,841,337.28 : x
  2. Step 2: Convert to fraction form
    21,873,236,857.80/30,189,922,820.88 = 13,297,841,337.28/x
  3. Step 3: Cross multiply
    21,873,236,857.80x = 30,189,922,820.88 × 13,297,841,337.28
  4. Step 4: Simplify right side
    21,873,236,857.80x = 401,460,803,656,790,900,736
  5. Step 5: Solve for x
    x = 401,460,803,656,790,900,736/21,873,236,857.80
  6. Step 6: Final answer
    x = 18,353,973,226.13

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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.