Home / 723,522,658.50-998,461,760.94-405,939,063.24

Finding the Fourth Proportional to 723,522,658.50, 998,461,760.94 and 405,939,063.24

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Solution

The fourth proportional to 723,522,658.50, 998,461,760.94 and 405,939,063.24 is: 560,196,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,522,658.50 : 998,461,760.94 = 405,939,063.24 : x
  2. Step 2: Convert to fraction form
    723,522,658.50/998,461,760.94 = 405,939,063.24/x
  3. Step 3: Cross multiply
    723,522,658.50x = 998,461,760.94 × 405,939,063.24
  4. Step 4: Simplify right side
    723,522,658.50x = 405,314,631,916,944,448
  5. Step 5: Solve for x
    x = 405,314,631,916,944,448/723,522,658.50
  6. Step 6: Final answer
    x = 560,196,183.43

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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.