Home / 554,335,557.28-764,973,789.84-306,811,612.32

Finding the Fourth Proportional to 554,335,557.28, 764,973,789.84 and 306,811,612.32

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Solution

The fourth proportional to 554,335,557.28, 764,973,789.84 and 306,811,612.32 is: 423,394,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,335,557.28 : 764,973,789.84 = 306,811,612.32 : x
  2. Step 2: Convert to fraction form
    554,335,557.28/764,973,789.84 = 306,811,612.32/x
  3. Step 3: Cross multiply
    554,335,557.28x = 764,973,789.84 × 306,811,612.32
  4. Step 4: Simplify right side
    554,335,557.28x = 234,702,841,843,351,232
  5. Step 5: Solve for x
    x = 234,702,841,843,351,232/554,335,557.28
  6. Step 6: Final answer
    x = 423,394,889.18

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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.