Home / 509,336,502.90-764,004,754.35-145,830,858.90

Finding the Fourth Proportional to 509,336,502.90, 764,004,754.35 and 145,830,858.90

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Solution

The fourth proportional to 509,336,502.90, 764,004,754.35 and 145,830,858.90 is: 218,746,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,336,502.90 : 764,004,754.35 = 145,830,858.90 : x
  2. Step 2: Convert to fraction form
    509,336,502.90/764,004,754.35 = 145,830,858.90/x
  3. Step 3: Cross multiply
    509,336,502.90x = 764,004,754.35 × 145,830,858.90
  4. Step 4: Simplify right side
    509,336,502.90x = 111,415,469,530,544,016
  5. Step 5: Solve for x
    x = 111,415,469,530,544,016/509,336,502.90
  6. Step 6: Final answer
    x = 218,746,288.35

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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.