Home / 533,878,922.30-800,818,383.45-419,217,136.70

Finding the Fourth Proportional to 533,878,922.30, 800,818,383.45 and 419,217,136.70

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Solution

The fourth proportional to 533,878,922.30, 800,818,383.45 and 419,217,136.70 is: 628,825,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,878,922.30 : 800,818,383.45 = 419,217,136.70 : x
  2. Step 2: Convert to fraction form
    533,878,922.30/800,818,383.45 = 419,217,136.70/x
  3. Step 3: Cross multiply
    533,878,922.30x = 800,818,383.45 × 419,217,136.70
  4. Step 4: Simplify right side
    533,878,922.30x = 335,716,789,726,631,680
  5. Step 5: Solve for x
    x = 335,716,789,726,631,680/533,878,922.30
  6. Step 6: Final answer
    x = 628,825,705.05

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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.