Home / 387,675,478.14-534,993,823.08-211,467,313.50

Finding the Fourth Proportional to 387,675,478.14, 534,993,823.08 and 211,467,313.50

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Solution

The fourth proportional to 387,675,478.14, 534,993,823.08 and 211,467,313.50 is: 291,825,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,675,478.14 : 534,993,823.08 = 211,467,313.50 : x
  2. Step 2: Convert to fraction form
    387,675,478.14/534,993,823.08 = 211,467,313.50/x
  3. Step 3: Cross multiply
    387,675,478.14x = 534,993,823.08 × 211,467,313.50
  4. Step 4: Simplify right side
    387,675,478.14x = 113,133,706,505,821,888
  5. Step 5: Solve for x
    x = 113,133,706,505,821,888/387,675,478.14
  6. Step 6: Final answer
    x = 291,825,799.89

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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.