Home / 320,663,233.80-480,994,850.70-239,033,896.20

Finding the Fourth Proportional to 320,663,233.80, 480,994,850.70 and 239,033,896.20

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Solution

The fourth proportional to 320,663,233.80, 480,994,850.70 and 239,033,896.20 is: 358,550,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,663,233.80 : 480,994,850.70 = 239,033,896.20 : x
  2. Step 2: Convert to fraction form
    320,663,233.80/480,994,850.70 = 239,033,896.20/x
  3. Step 3: Cross multiply
    320,663,233.80x = 480,994,850.70 × 239,033,896.20
  4. Step 4: Simplify right side
    320,663,233.80x = 114,974,073,214,958,288
  5. Step 5: Solve for x
    x = 114,974,073,214,958,288/320,663,233.80
  6. Step 6: Final answer
    x = 358,550,844.30

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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.