Home / 672,738,376.92-1,009,078,816.19-230,120,635.17

Finding the Fourth Proportional to 672,738,376.92, 1,009,078,816.19 and 230,120,635.17

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Solution

The fourth proportional to 672,738,376.92, 1,009,078,816.19 and 230,120,635.17 is: 345,171,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,738,376.92 : 1,009,078,816.19 = 230,120,635.17 : x
  2. Step 2: Convert to fraction form
    672,738,376.92/1,009,078,816.19 = 230,120,635.17/x
  3. Step 3: Cross multiply
    672,738,376.92x = 1,009,078,816.19 × 230,120,635.17
  4. Step 4: Simplify right side
    672,738,376.92x = 232,209,858,119,321,120
  5. Step 5: Solve for x
    x = 232,209,858,119,321,120/672,738,376.92
  6. Step 6: Final answer
    x = 345,171,118.65

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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.