Home / 387,675,481.14-534,993,827.22-211,467,316.50

Finding the Fourth Proportional to 387,675,481.14, 534,993,827.22 and 211,467,316.50

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Solution

The fourth proportional to 387,675,481.14, 534,993,827.22 and 211,467,316.50 is: 291,825,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,675,481.14 : 534,993,827.22 = 211,467,316.50 : x
  2. Step 2: Convert to fraction form
    387,675,481.14/534,993,827.22 = 211,467,316.50/x
  3. Step 3: Cross multiply
    387,675,481.14x = 534,993,827.22 × 211,467,316.50
  4. Step 4: Simplify right side
    387,675,481.14x = 113,133,708,986,278,064
  5. Step 5: Solve for x
    x = 113,133,708,986,278,064/387,675,481.14
  6. Step 6: Final answer
    x = 291,825,804.03

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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.