Home / 20,229,530,093.51-27,916,145,475.30-11,197,658,412.05

Finding the Fourth Proportional to 20,229,530,093.51, 27,916,145,475.30 and 11,197,658,412.05

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Solution

The fourth proportional to 20,229,530,093.51, 27,916,145,475.30 and 11,197,658,412.05 is: 15,452,433,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,530,093.51 : 27,916,145,475.30 = 11,197,658,412.05 : x
  2. Step 2: Convert to fraction form
    20,229,530,093.51/27,916,145,475.30 = 11,197,658,412.05/x
  3. Step 3: Cross multiply
    20,229,530,093.51x = 27,916,145,475.30 × 11,197,658,412.05
  4. Step 4: Simplify right side
    20,229,530,093.51x = 312,595,461,213,365,010,432
  5. Step 5: Solve for x
    x = 312,595,461,213,365,010,432/20,229,530,093.51
  6. Step 6: Final answer
    x = 15,452,433,139.50

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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.