Home / 387,675,482.14-534,993,828.60-211,467,317.50

Finding the Fourth Proportional to 387,675,482.14, 534,993,828.60 and 211,467,317.50

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Solution

The fourth proportional to 387,675,482.14, 534,993,828.60 and 211,467,317.50 is: 291,825,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,675,482.14 : 534,993,828.60 = 211,467,317.50 : x
  2. Step 2: Convert to fraction form
    387,675,482.14/534,993,828.60 = 211,467,317.50/x
  3. Step 3: Cross multiply
    387,675,482.14x = 534,993,828.60 × 211,467,317.50
  4. Step 4: Simplify right side
    387,675,482.14x = 113,133,709,813,096,784
  5. Step 5: Solve for x
    x = 113,133,709,813,096,784/387,675,482.14
  6. Step 6: Final answer
    x = 291,825,805.41

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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.