Home / 13,227,561,534.72-18,254,002,959.13-7,206,116,419.54

Finding the Fourth Proportional to 13,227,561,534.72, 18,254,002,959.13 and 7,206,116,419.54

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Solution

The fourth proportional to 13,227,561,534.72, 18,254,002,959.13 and 7,206,116,419.54 is: 9,944,423,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,561,534.72 : 18,254,002,959.13 = 7,206,116,419.54 : x
  2. Step 2: Convert to fraction form
    13,227,561,534.72/18,254,002,959.13 = 7,206,116,419.54/x
  3. Step 3: Cross multiply
    13,227,561,534.72x = 18,254,002,959.13 × 7,206,116,419.54
  4. Step 4: Simplify right side
    13,227,561,534.72x = 131,540,470,446,107,967,488
  5. Step 5: Solve for x
    x = 131,540,470,446,107,967,488/13,227,561,534.72
  6. Step 6: Final answer
    x = 9,944,423,248.44

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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.