Home / 438,842,942.56-605,480,611.44-345,734,414.56

Finding the Fourth Proportional to 438,842,942.56, 605,480,611.44 and 345,734,414.56

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Solution

The fourth proportional to 438,842,942.56, 605,480,611.44 and 345,734,414.56 is: 477,016,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,842,942.56 : 605,480,611.44 = 345,734,414.56 : x
  2. Step 2: Convert to fraction form
    438,842,942.56/605,480,611.44 = 345,734,414.56/x
  3. Step 3: Cross multiply
    438,842,942.56x = 605,480,611.44 × 345,734,414.56
  4. Step 4: Simplify right side
    438,842,942.56x = 209,335,484,723,639,264
  5. Step 5: Solve for x
    x = 209,335,484,723,639,264/438,842,942.56
  6. Step 6: Final answer
    x = 477,016,865.08

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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.