Home / 439,399,387.20-659,099,080.80-337,676,865.60

Finding the Fourth Proportional to 439,399,387.20, 659,099,080.80 and 337,676,865.60

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Solution

The fourth proportional to 439,399,387.20, 659,099,080.80 and 337,676,865.60 is: 506,515,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,399,387.20 : 659,099,080.80 = 337,676,865.60 : x
  2. Step 2: Convert to fraction form
    439,399,387.20/659,099,080.80 = 337,676,865.60/x
  3. Step 3: Cross multiply
    439,399,387.20x = 659,099,080.80 × 337,676,865.60
  4. Step 4: Simplify right side
    439,399,387.20x = 222,562,511,724,385,152
  5. Step 5: Solve for x
    x = 222,562,511,724,385,152/439,399,387.20
  6. Step 6: Final answer
    x = 506,515,298.40

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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.