Home / 346,320,839.42-520,309,999.83-222,066,909.55

Finding the Fourth Proportional to 346,320,839.42, 520,309,999.83 and 222,066,909.55

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Solution

The fourth proportional to 346,320,839.42, 520,309,999.83 and 222,066,909.55 is: 333,631,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,320,839.42 : 520,309,999.83 = 222,066,909.55 : x
  2. Step 2: Convert to fraction form
    346,320,839.42/520,309,999.83 = 222,066,909.55/x
  3. Step 3: Cross multiply
    346,320,839.42x = 520,309,999.83 × 222,066,909.55
  4. Step 4: Simplify right side
    346,320,839.42x = 115,543,633,670,859,520
  5. Step 5: Solve for x
    x = 115,543,633,670,859,520/346,320,839.42
  6. Step 6: Final answer
    x = 333,631,767.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.