Home / 823,454,800.54-1,136,375,790.11-447,114,472.45

Finding the Fourth Proportional to 823,454,800.54, 1,136,375,790.11 and 447,114,472.45

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Solution

The fourth proportional to 823,454,800.54, 1,136,375,790.11 and 447,114,472.45 is: 617,022,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,454,800.54 : 1,136,375,790.11 = 447,114,472.45 : x
  2. Step 2: Convert to fraction form
    823,454,800.54/1,136,375,790.11 = 447,114,472.45/x
  3. Step 3: Cross multiply
    823,454,800.54x = 1,136,375,790.11 × 447,114,472.45
  4. Step 4: Simplify right side
    823,454,800.54x = 508,090,061,899,984,512
  5. Step 5: Solve for x
    x = 508,090,061,899,984,512/823,454,800.54
  6. Step 6: Final answer
    x = 617,022,405.56

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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.