Home / 1,940,120,890.80-2,910,181,336.20-559,980,423.60

Finding the Fourth Proportional to 1,940,120,890.80, 2,910,181,336.20 and 559,980,423.60

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Solution

The fourth proportional to 1,940,120,890.80, 2,910,181,336.20 and 559,980,423.60 is: 839,970,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,120,890.80 : 2,910,181,336.20 = 559,980,423.60 : x
  2. Step 2: Convert to fraction form
    1,940,120,890.80/2,910,181,336.20 = 559,980,423.60/x
  3. Step 3: Cross multiply
    1,940,120,890.80x = 2,910,181,336.20 × 559,980,423.60
  4. Step 4: Simplify right side
    1,940,120,890.80x = 1,629,644,577,398,089,984
  5. Step 5: Solve for x
    x = 1,629,644,577,398,089,984/1,940,120,890.80
  6. Step 6: Final answer
    x = 839,970,635.40

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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.