Home / 306,336,350.40-459,504,525.60-220,340,011.20

Finding the Fourth Proportional to 306,336,350.40, 459,504,525.60 and 220,340,011.20

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Solution

The fourth proportional to 306,336,350.40, 459,504,525.60 and 220,340,011.20 is: 330,510,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,336,350.40 : 459,504,525.60 = 220,340,011.20 : x
  2. Step 2: Convert to fraction form
    306,336,350.40/459,504,525.60 = 220,340,011.20/x
  3. Step 3: Cross multiply
    306,336,350.40x = 459,504,525.60 × 220,340,011.20
  4. Step 4: Simplify right side
    306,336,350.40x = 101,247,232,317,154,688
  5. Step 5: Solve for x
    x = 101,247,232,317,154,688/306,336,350.40
  6. Step 6: Final answer
    x = 330,510,016.80

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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.