Home / 369,039,591.66-509,190,171.15-220,331,828.46

Finding the Fourth Proportional to 369,039,591.66, 509,190,171.15 and 220,331,828.46

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Solution

The fourth proportional to 369,039,591.66, 509,190,171.15 and 220,331,828.46 is: 304,007,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,039,591.66 : 509,190,171.15 = 220,331,828.46 : x
  2. Step 2: Convert to fraction form
    369,039,591.66/509,190,171.15 = 220,331,828.46/x
  3. Step 3: Cross multiply
    369,039,591.66x = 509,190,171.15 × 220,331,828.46
  4. Step 4: Simplify right side
    369,039,591.66x = 112,190,801,443,339,840
  5. Step 5: Solve for x
    x = 112,190,801,443,339,840/369,039,591.66
  6. Step 6: Final answer
    x = 304,007,493.99

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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.