Home / 671,933,396.49-1,007,903,282.61-205,594,076.64

Finding the Fourth Proportional to 671,933,396.49, 1,007,903,282.61 and 205,594,076.64

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Solution

The fourth proportional to 671,933,396.49, 1,007,903,282.61 and 205,594,076.64 is: 308,392,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,933,396.49 : 1,007,903,282.61 = 205,594,076.64 : x
  2. Step 2: Convert to fraction form
    671,933,396.49/1,007,903,282.61 = 205,594,076.64/x
  3. Step 3: Cross multiply
    671,933,396.49x = 1,007,903,282.61 × 205,594,076.64
  4. Step 4: Simplify right side
    671,933,396.49x = 207,218,944,731,388,608
  5. Step 5: Solve for x
    x = 207,218,944,731,388,608/671,933,396.49
  6. Step 6: Final answer
    x = 308,392,090.37

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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.