Home / 374,106,778.07-516,285,347.78-206,839,944.23

Finding the Fourth Proportional to 374,106,778.07, 516,285,347.78 and 206,839,944.23

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Solution

The fourth proportional to 374,106,778.07, 516,285,347.78 and 206,839,944.23 is: 285,449,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,106,778.07 : 516,285,347.78 = 206,839,944.23 : x
  2. Step 2: Convert to fraction form
    374,106,778.07/516,285,347.78 = 206,839,944.23/x
  3. Step 3: Cross multiply
    374,106,778.07x = 516,285,347.78 × 206,839,944.23
  4. Step 4: Simplify right side
    374,106,778.07x = 106,788,432,539,517,024
  5. Step 5: Solve for x
    x = 106,788,432,539,517,024/374,106,778.07
  6. Step 6: Final answer
    x = 285,449,071.76

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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.