Home / 666,097,286.78-919,225,138.38-364,677,569.66

Finding the Fourth Proportional to 666,097,286.78, 919,225,138.38 and 364,677,569.66

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Solution

The fourth proportional to 666,097,286.78, 919,225,138.38 and 364,677,569.66 is: 503,261,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,097,286.78 : 919,225,138.38 = 364,677,569.66 : x
  2. Step 2: Convert to fraction form
    666,097,286.78/919,225,138.38 = 364,677,569.66/x
  3. Step 3: Cross multiply
    666,097,286.78x = 919,225,138.38 × 364,677,569.66
  4. Step 4: Simplify right side
    666,097,286.78x = 335,220,789,434,795,584
  5. Step 5: Solve for x
    x = 335,220,789,434,795,584/666,097,286.78
  6. Step 6: Final answer
    x = 503,261,004.19

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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.