Home / 387,994,568.13-535,352,575.25-222,950,251.17

Finding the Fourth Proportional to 387,994,568.13, 535,352,575.25 and 222,950,251.17

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Solution

The fourth proportional to 387,994,568.13, 535,352,575.25 and 222,950,251.17 is: 307,625,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,994,568.13 : 535,352,575.25 = 222,950,251.17 : x
  2. Step 2: Convert to fraction form
    387,994,568.13/535,352,575.25 = 222,950,251.17/x
  3. Step 3: Cross multiply
    387,994,568.13x = 535,352,575.25 × 222,950,251.17
  4. Step 4: Simplify right side
    387,994,568.13x = 119,356,991,117,051,200
  5. Step 5: Solve for x
    x = 119,356,991,117,051,200/387,994,568.13
  6. Step 6: Final answer
    x = 307,625,417.78

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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.