Home / 511,052,214.80-764,814,725.40-306,726,928.40

Finding the Fourth Proportional to 511,052,214.80, 764,814,725.40 and 306,726,928.40

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Solution

The fourth proportional to 511,052,214.80, 764,814,725.40 and 306,726,928.40 is: 459,031,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,052,214.80 : 764,814,725.40 = 306,726,928.40 : x
  2. Step 2: Convert to fraction form
    511,052,214.80/764,814,725.40 = 306,726,928.40/x
  3. Step 3: Cross multiply
    511,052,214.80x = 764,814,725.40 × 306,726,928.40
  4. Step 4: Simplify right side
    511,052,214.80x = 234,589,271,517,031,424
  5. Step 5: Solve for x
    x = 234,589,271,517,031,424/511,052,214.80
  6. Step 6: Final answer
    x = 459,031,904.61

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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.