Home / 444,872,420.80-667,308,631.20-414,639,332.80

Finding the Fourth Proportional to 444,872,420.80, 667,308,631.20 and 414,639,332.80

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Solution

The fourth proportional to 444,872,420.80, 667,308,631.20 and 414,639,332.80 is: 621,958,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,872,420.80 : 667,308,631.20 = 414,639,332.80 : x
  2. Step 2: Convert to fraction form
    444,872,420.80/667,308,631.20 = 414,639,332.80/x
  3. Step 3: Cross multiply
    444,872,420.80x = 667,308,631.20 × 414,639,332.80
  4. Step 4: Simplify right side
    444,872,420.80x = 276,692,405,612,449,280
  5. Step 5: Solve for x
    x = 276,692,405,612,449,280/444,872,420.80
  6. Step 6: Final answer
    x = 621,958,999.20

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1.5x scale

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.