Home / 21,873,236,861.80-30,189,922,826.40-13,297,841,341.28

Finding the Fourth Proportional to 21,873,236,861.80, 30,189,922,826.40 and 13,297,841,341.28

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Solution

The fourth proportional to 21,873,236,861.80, 30,189,922,826.40 and 13,297,841,341.28 is: 18,353,973,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,236,861.80 : 30,189,922,826.40 = 13,297,841,341.28 : x
  2. Step 2: Convert to fraction form
    21,873,236,861.80/30,189,922,826.40 = 13,297,841,341.28/x
  3. Step 3: Cross multiply
    21,873,236,861.80x = 30,189,922,826.40 × 13,297,841,341.28
  4. Step 4: Simplify right side
    21,873,236,861.80x = 401,460,803,850,954,735,616
  5. Step 5: Solve for x
    x = 401,460,803,850,954,735,616/21,873,236,861.80
  6. Step 6: Final answer
    x = 18,353,973,231.65

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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.