Home / 3,157,764,625.80-4,731,545,105.10-1,991,145,342.60

Finding the Fourth Proportional to 3,157,764,625.80, 4,731,545,105.10 and 1,991,145,342.60

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Solution

The fourth proportional to 3,157,764,625.80, 4,731,545,105.10 and 1,991,145,342.60 is: 2,983,501,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,764,625.80 : 4,731,545,105.10 = 1,991,145,342.60 : x
  2. Step 2: Convert to fraction form
    3,157,764,625.80/4,731,545,105.10 = 1,991,145,342.60/x
  3. Step 3: Cross multiply
    3,157,764,625.80x = 4,731,545,105.10 × 1,991,145,342.60
  4. Step 4: Simplify right side
    3,157,764,625.80x = 9,421,193,999,321,692,160
  5. Step 5: Solve for x
    x = 9,421,193,999,321,692,160/3,157,764,625.80
  6. Step 6: Final answer
    x = 2,983,501,025.49

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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.