Home / 764,285,004.90-1,144,726,896.15-628,236,108.90

Finding the Fourth Proportional to 764,285,004.90, 1,144,726,896.15 and 628,236,108.90

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Solution

The fourth proportional to 764,285,004.90, 1,144,726,896.15 and 628,236,108.90 is: 940,956,274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,285,004.90 : 1,144,726,896.15 = 628,236,108.90 : x
  2. Step 2: Convert to fraction form
    764,285,004.90/1,144,726,896.15 = 628,236,108.90/x
  3. Step 3: Cross multiply
    764,285,004.90x = 1,144,726,896.15 × 628,236,108.90
  4. Step 4: Simplify right side
    764,285,004.90x = 719,158,770,990,450,432
  5. Step 5: Solve for x
    x = 719,158,770,990,450,432/764,285,004.90
  6. Step 6: Final answer
    x = 940,956,274.66

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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.