Home / 1,219,449,227.28-1,682,839,933.47-690,813,213.35

Finding the Fourth Proportional to 1,219,449,227.28, 1,682,839,933.47 and 690,813,213.35

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Solution

The fourth proportional to 1,219,449,227.28, 1,682,839,933.47 and 690,813,213.35 is: 953,322,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,449,227.28 : 1,682,839,933.47 = 690,813,213.35 : x
  2. Step 2: Convert to fraction form
    1,219,449,227.28/1,682,839,933.47 = 690,813,213.35/x
  3. Step 3: Cross multiply
    1,219,449,227.28x = 1,682,839,933.47 × 690,813,213.35
  4. Step 4: Simplify right side
    1,219,449,227.28x = 1,162,528,061,999,494,912
  5. Step 5: Solve for x
    x = 1,162,528,061,999,494,912/1,219,449,227.28
  6. Step 6: Final answer
    x = 953,322,234.33

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Double scale
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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.