Home / 414,011,880.80-620,490,316.80-220,016,232.80

Finding the Fourth Proportional to 414,011,880.80, 620,490,316.80 and 220,016,232.80

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Solution

The fourth proportional to 414,011,880.80, 620,490,316.80 and 220,016,232.80 is: 329,744,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,011,880.80 : 620,490,316.80 = 220,016,232.80 : x
  2. Step 2: Convert to fraction form
    414,011,880.80/620,490,316.80 = 220,016,232.80/x
  3. Step 3: Cross multiply
    414,011,880.80x = 620,490,316.80 × 220,016,232.80
  4. Step 4: Simplify right side
    414,011,880.80x = 136,517,941,991,214,544
  5. Step 5: Solve for x
    x = 136,517,941,991,214,544/414,011,880.80
  6. Step 6: Final answer
    x = 329,744,020.21

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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.