Home / 413,940,022.80-621,340,698.42-304,888,329.60

Finding the Fourth Proportional to 413,940,022.80, 621,340,698.42 and 304,888,329.60

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Solution

The fourth proportional to 413,940,022.80, 621,340,698.42 and 304,888,329.60 is: 457,649,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,940,022.80 : 621,340,698.42 = 304,888,329.60 : x
  2. Step 2: Convert to fraction form
    413,940,022.80/621,340,698.42 = 304,888,329.60/x
  3. Step 3: Cross multiply
    413,940,022.80x = 621,340,698.42 × 304,888,329.60
  4. Step 4: Simplify right side
    413,940,022.80x = 189,439,527,653,771,168
  5. Step 5: Solve for x
    x = 189,439,527,653,771,168/413,940,022.80
  6. Step 6: Final answer
    x = 457,649,700.97

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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.