Home / 442,858,816.80-664,288,225.20-170,238,477.60

Finding the Fourth Proportional to 442,858,816.80, 664,288,225.20 and 170,238,477.60

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Solution

The fourth proportional to 442,858,816.80, 664,288,225.20 and 170,238,477.60 is: 255,357,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,858,816.80 : 664,288,225.20 = 170,238,477.60 : x
  2. Step 2: Convert to fraction form
    442,858,816.80/664,288,225.20 = 170,238,477.60/x
  3. Step 3: Cross multiply
    442,858,816.80x = 664,288,225.20 × 170,238,477.60
  4. Step 4: Simplify right side
    442,858,816.80x = 113,087,416,145,653,952
  5. Step 5: Solve for x
    x = 113,087,416,145,653,952/442,858,816.80
  6. Step 6: Final answer
    x = 255,357,716.40

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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.