Home / 414,075,936.80-620,586,400.80-220,080,288.80

Finding the Fourth Proportional to 414,075,936.80, 620,586,400.80 and 220,080,288.80

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Solution

The fourth proportional to 414,075,936.80, 620,586,400.80 and 220,080,288.80 is: 329,840,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,075,936.80 : 620,586,400.80 = 220,080,288.80 : x
  2. Step 2: Convert to fraction form
    414,075,936.80/620,586,400.80 = 220,080,288.80/x
  3. Step 3: Cross multiply
    414,075,936.80x = 620,586,400.80 × 220,080,288.80
  4. Step 4: Simplify right side
    414,075,936.80x = 136,578,834,313,416,544
  5. Step 5: Solve for x
    x = 136,578,834,313,416,544/414,075,936.80
  6. Step 6: Final answer
    x = 329,840,065.98

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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.