Home / 603,145,589.80-904,200,228.54-209,621,295.88

Finding the Fourth Proportional to 603,145,589.80, 904,200,228.54 and 209,621,295.88

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Solution

The fourth proportional to 603,145,589.80, 904,200,228.54 and 209,621,295.88 is: 314,251,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,145,589.80 : 904,200,228.54 = 209,621,295.88 : x
  2. Step 2: Convert to fraction form
    603,145,589.80/904,200,228.54 = 209,621,295.88/x
  3. Step 3: Cross multiply
    603,145,589.80x = 904,200,228.54 × 209,621,295.88
  4. Step 4: Simplify right side
    603,145,589.80x = 189,539,623,641,546,944
  5. Step 5: Solve for x
    x = 189,539,623,641,546,944/603,145,589.80
  6. Step 6: Final answer
    x = 314,251,860.33

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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.