Home / 554,335,553.28-764,973,784.32-306,811,608.32

Finding the Fourth Proportional to 554,335,553.28, 764,973,784.32 and 306,811,608.32

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Solution

The fourth proportional to 554,335,553.28, 764,973,784.32 and 306,811,608.32 is: 423,394,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,335,553.28 : 764,973,784.32 = 306,811,608.32 : x
  2. Step 2: Convert to fraction form
    554,335,553.28/764,973,784.32 = 306,811,608.32/x
  3. Step 3: Cross multiply
    554,335,553.28x = 764,973,784.32 × 306,811,608.32
  4. Step 4: Simplify right side
    554,335,553.28x = 234,702,837,089,856,000
  5. Step 5: Solve for x
    x = 234,702,837,089,856,000/554,335,553.28
  6. Step 6: Final answer
    x = 423,394,883.66

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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.