Home / 20,726,218,005.80-31,089,327,008.70-17,006,981,311.40

Finding the Fourth Proportional to 20,726,218,005.80, 31,089,327,008.70 and 17,006,981,311.40

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Solution

The fourth proportional to 20,726,218,005.80, 31,089,327,008.70 and 17,006,981,311.40 is: 25,510,471,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,218,005.80 : 31,089,327,008.70 = 17,006,981,311.40 : x
  2. Step 2: Convert to fraction form
    20,726,218,005.80/31,089,327,008.70 = 17,006,981,311.40/x
  3. Step 3: Cross multiply
    20,726,218,005.80x = 31,089,327,008.70 × 17,006,981,311.40
  4. Step 4: Simplify right side
    20,726,218,005.80x = 528,735,603,420,964,192,256
  5. Step 5: Solve for x
    x = 528,735,603,420,964,192,256/20,726,218,005.80
  6. Step 6: Final answer
    x = 25,510,471,967.10

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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.