Home / 13,227,561,444.11-18,254,002,832.87-7,206,116,328.72

Finding the Fourth Proportional to 13,227,561,444.11, 18,254,002,832.87 and 7,206,116,328.72

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Solution

The fourth proportional to 13,227,561,444.11, 18,254,002,832.87 and 7,206,116,328.72 is: 9,944,423,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,561,444.11 : 18,254,002,832.87 = 7,206,116,328.72 : x
  2. Step 2: Convert to fraction form
    13,227,561,444.11/18,254,002,832.87 = 7,206,116,328.72/x
  3. Step 3: Cross multiply
    13,227,561,444.11x = 18,254,002,832.87 × 7,206,116,328.72
  4. Step 4: Simplify right side
    13,227,561,444.11x = 131,540,467,878,409,633,792
  5. Step 5: Solve for x
    x = 131,540,467,878,409,633,792/13,227,561,444.11
  6. Step 6: Final answer
    x = 9,944,423,122.45

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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.