Home / 17,006,161,981.20-25,509,242,971.80-13,286,925,286.80

Finding the Fourth Proportional to 17,006,161,981.20, 25,509,242,971.80 and 13,286,925,286.80

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Solution

The fourth proportional to 17,006,161,981.20, 25,509,242,971.80 and 13,286,925,286.80 is: 19,930,387,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,006,161,981.20 : 25,509,242,971.80 = 13,286,925,286.80 : x
  2. Step 2: Convert to fraction form
    17,006,161,981.20/25,509,242,971.80 = 13,286,925,286.80/x
  3. Step 3: Cross multiply
    17,006,161,981.20x = 25,509,242,971.80 × 13,286,925,286.80
  4. Step 4: Simplify right side
    17,006,161,981.20x = 338,939,405,489,134,567,424
  5. Step 5: Solve for x
    x = 338,939,405,489,134,567,424/17,006,161,981.20
  6. Step 6: Final answer
    x = 19,930,387,930.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.