Home / 824,256,939.60-1,236,385,409.40-818,517,376.80

Finding the Fourth Proportional to 824,256,939.60, 1,236,385,409.40 and 818,517,376.80

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Solution

The fourth proportional to 824,256,939.60, 1,236,385,409.40 and 818,517,376.80 is: 1,227,776,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,256,939.60 : 1,236,385,409.40 = 818,517,376.80 : x
  2. Step 2: Convert to fraction form
    824,256,939.60/1,236,385,409.40 = 818,517,376.80/x
  3. Step 3: Cross multiply
    824,256,939.60x = 1,236,385,409.40 × 818,517,376.80
  4. Step 4: Simplify right side
    824,256,939.60x = 1,012,002,942,015,882,112
  5. Step 5: Solve for x
    x = 1,012,002,942,015,882,112/824,256,939.60
  6. Step 6: Final answer
    x = 1,227,776,065.20

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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.