Home / 481,165,521.81-722,051,889.15-204,816,284.85

Finding the Fourth Proportional to 481,165,521.81, 722,051,889.15 and 204,816,284.85

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Solution

The fourth proportional to 481,165,521.81, 722,051,889.15 and 204,816,284.85 is: 307,353,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,165,521.81 : 722,051,889.15 = 204,816,284.85 : x
  2. Step 2: Convert to fraction form
    481,165,521.81/722,051,889.15 = 204,816,284.85/x
  3. Step 3: Cross multiply
    481,165,521.81x = 722,051,889.15 × 204,816,284.85
  4. Step 4: Simplify right side
    481,165,521.81x = 147,887,985,404,627,008
  5. Step 5: Solve for x
    x = 147,887,985,404,627,008/481,165,521.81
  6. Step 6: Final answer
    x = 307,353,662.52

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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.