Home / 13,227,561,565.07-18,254,003,001.08-7,206,116,449.95

Finding the Fourth Proportional to 13,227,561,565.07, 18,254,003,001.08 and 7,206,116,449.95

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Solution

The fourth proportional to 13,227,561,565.07, 18,254,003,001.08 and 7,206,116,449.95 is: 9,944,423,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,561,565.07 : 18,254,003,001.08 = 7,206,116,449.95 : x
  2. Step 2: Convert to fraction form
    13,227,561,565.07/18,254,003,001.08 = 7,206,116,449.95/x
  3. Step 3: Cross multiply
    13,227,561,565.07x = 18,254,003,001.08 × 7,206,116,449.95
  4. Step 4: Simplify right side
    13,227,561,565.07x = 131,540,471,303,483,228,160
  5. Step 5: Solve for x
    x = 131,540,471,303,483,228,160/13,227,561,565.07
  6. Step 6: Final answer
    x = 9,944,423,290.45

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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.