Home / 21,873,236,864.80-30,189,922,830.54-13,297,841,344.28

Finding the Fourth Proportional to 21,873,236,864.80, 30,189,922,830.54 and 13,297,841,344.28

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Solution

The fourth proportional to 21,873,236,864.80, 30,189,922,830.54 and 13,297,841,344.28 is: 18,353,973,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,236,864.80 : 30,189,922,830.54 = 13,297,841,344.28 : x
  2. Step 2: Convert to fraction form
    21,873,236,864.80/30,189,922,830.54 = 13,297,841,344.28/x
  3. Step 3: Cross multiply
    21,873,236,864.80x = 30,189,922,830.54 × 13,297,841,344.28
  4. Step 4: Simplify right side
    21,873,236,864.80x = 401,460,803,996,577,497,088
  5. Step 5: Solve for x
    x = 401,460,803,996,577,497,088/21,873,236,864.80
  6. Step 6: Final answer
    x = 18,353,973,235.79

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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.