Home / 414,442,907.20-621,496,399.20-141,673,268.80

Finding the Fourth Proportional to 414,442,907.20, 621,496,399.20 and 141,673,268.80

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Solution

The fourth proportional to 414,442,907.20, 621,496,399.20 and 141,673,268.80 is: 212,452,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,442,907.20 : 621,496,399.20 = 141,673,268.80 : x
  2. Step 2: Convert to fraction form
    414,442,907.20/621,496,399.20 = 141,673,268.80/x
  3. Step 3: Cross multiply
    414,442,907.20x = 621,496,399.20 × 141,673,268.80
  4. Step 4: Simplify right side
    414,442,907.20x = 88,049,426,422,093,712
  5. Step 5: Solve for x
    x = 88,049,426,422,093,712/414,442,907.20
  6. Step 6: Final answer
    x = 212,452,487.16

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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.