Home / 15,583,579,908.60-21,504,764,125.32-8,446,840,488.66

Finding the Fourth Proportional to 15,583,579,908.60, 21,504,764,125.32 and 8,446,840,488.66

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Solution

The fourth proportional to 15,583,579,908.60, 21,504,764,125.32 and 8,446,840,488.66 is: 11,656,327,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583,579,908.60 : 21,504,764,125.32 = 8,446,840,488.66 : x
  2. Step 2: Convert to fraction form
    15,583,579,908.60/21,504,764,125.32 = 8,446,840,488.66/x
  3. Step 3: Cross multiply
    15,583,579,908.60x = 21,504,764,125.32 × 8,446,840,488.66
  4. Step 4: Simplify right side
    15,583,579,908.60x = 181,647,312,312,836,030,464
  5. Step 5: Solve for x
    x = 181,647,312,312,836,030,464/15,583,579,908.60
  6. Step 6: Final answer
    x = 11,656,327,581.87

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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.