Home / 321,628,007.84-482,495,822.76-252,538,024.64

Finding the Fourth Proportional to 321,628,007.84, 482,495,822.76 and 252,538,024.64

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Solution

The fourth proportional to 321,628,007.84, 482,495,822.76 and 252,538,024.64 is: 378,849,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,628,007.84 : 482,495,822.76 = 252,538,024.64 : x
  2. Step 2: Convert to fraction form
    321,628,007.84/482,495,822.76 = 252,538,024.64/x
  3. Step 3: Cross multiply
    321,628,007.84x = 482,495,822.76 × 252,538,024.64
  4. Step 4: Simplify right side
    321,628,007.84x = 121,848,541,976,861,936
  5. Step 5: Solve for x
    x = 121,848,541,976,861,936/321,628,007.84
  6. Step 6: Final answer
    x = 378,849,288.64

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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.