Home / 306,518,489.40-459,777,734.10-273,262,092.60

Finding the Fourth Proportional to 306,518,489.40, 459,777,734.10 and 273,262,092.60

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Solution

The fourth proportional to 306,518,489.40, 459,777,734.10 and 273,262,092.60 is: 409,893,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,518,489.40 : 459,777,734.10 = 273,262,092.60 : x
  2. Step 2: Convert to fraction form
    306,518,489.40/459,777,734.10 = 273,262,092.60/x
  3. Step 3: Cross multiply
    306,518,489.40x = 459,777,734.10 × 273,262,092.60
  4. Step 4: Simplify right side
    306,518,489.40x = 125,639,825,751,052,400
  5. Step 5: Solve for x
    x = 125,639,825,751,052,400/306,518,489.40
  6. Step 6: Final answer
    x = 409,893,138.90

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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.