Home / 21,744,416,448.80-30,003,787,485.60-12,228,400,687.76

Finding the Fourth Proportional to 21,744,416,448.80, 30,003,787,485.60 and 12,228,400,687.76

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Solution

The fourth proportional to 21,744,416,448.80, 30,003,787,485.60 and 12,228,400,687.76 is: 16,873,220,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744,416,448.80 : 30,003,787,485.60 = 12,228,400,687.76 : x
  2. Step 2: Convert to fraction form
    21,744,416,448.80/30,003,787,485.60 = 12,228,400,687.76/x
  3. Step 3: Cross multiply
    21,744,416,448.80x = 30,003,787,485.60 × 12,228,400,687.76
  4. Step 4: Simplify right side
    21,744,416,448.80x = 366,898,335,524,315,922,432
  5. Step 5: Solve for x
    x = 366,898,335,524,315,922,432/21,744,416,448.80
  6. Step 6: Final answer
    x = 16,873,220,598.41

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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.