Home / 324,020,578.46-447,005,905.43-189,990,081.77

Finding the Fourth Proportional to 324,020,578.46, 447,005,905.43 and 189,990,081.77

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Solution

The fourth proportional to 324,020,578.46, 447,005,905.43 and 189,990,081.77 is: 262,102,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,020,578.46 : 447,005,905.43 = 189,990,081.77 : x
  2. Step 2: Convert to fraction form
    324,020,578.46/447,005,905.43 = 189,990,081.77/x
  3. Step 3: Cross multiply
    324,020,578.46x = 447,005,905.43 × 189,990,081.77
  4. Step 4: Simplify right side
    324,020,578.46x = 84,926,688,521,133,600
  5. Step 5: Solve for x
    x = 84,926,688,521,133,600/324,020,578.46
  6. Step 6: Final answer
    x = 262,102,761.89

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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.