Home / 303,669,313.20-455,503,969.80-222,450,548.40

Finding the Fourth Proportional to 303,669,313.20, 455,503,969.80 and 222,450,548.40

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Solution

The fourth proportional to 303,669,313.20, 455,503,969.80 and 222,450,548.40 is: 333,675,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,669,313.20 : 455,503,969.80 = 222,450,548.40 : x
  2. Step 2: Convert to fraction form
    303,669,313.20/455,503,969.80 = 222,450,548.40/x
  3. Step 3: Cross multiply
    303,669,313.20x = 455,503,969.80 × 222,450,548.40
  4. Step 4: Simplify right side
    303,669,313.20x = 101,327,107,880,387,040
  5. Step 5: Solve for x
    x = 101,327,107,880,387,040/303,669,313.20
  6. Step 6: Final answer
    x = 333,675,822.60

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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.