Home / 387,675,479.14-534,993,824.46-211,467,314.50

Finding the Fourth Proportional to 387,675,479.14, 534,993,824.46 and 211,467,314.50

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Solution

The fourth proportional to 387,675,479.14, 534,993,824.46 and 211,467,314.50 is: 291,825,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,675,479.14 : 534,993,824.46 = 211,467,314.50 : x
  2. Step 2: Convert to fraction form
    387,675,479.14/534,993,824.46 = 211,467,314.50/x
  3. Step 3: Cross multiply
    387,675,479.14x = 534,993,824.46 × 211,467,314.50
  4. Step 4: Simplify right side
    387,675,479.14x = 113,133,707,332,640,608
  5. Step 5: Solve for x
    x = 113,133,707,332,640,608/387,675,479.14
  6. Step 6: Final answer
    x = 291,825,801.27

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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.