Home / 7,926,138,793.80-11,889,208,190.70-5,313,999,990.60

Finding the Fourth Proportional to 7,926,138,793.80, 11,889,208,190.70 and 5,313,999,990.60

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Solution

The fourth proportional to 7,926,138,793.80, 11,889,208,190.70 and 5,313,999,990.60 is: 7,970,999,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926,138,793.80 : 11,889,208,190.70 = 5,313,999,990.60 : x
  2. Step 2: Convert to fraction form
    7,926,138,793.80/11,889,208,190.70 = 5,313,999,990.60/x
  3. Step 3: Cross multiply
    7,926,138,793.80x = 11,889,208,190.70 × 5,313,999,990.60
  4. Step 4: Simplify right side
    7,926,138,793.80x = 63,179,252,213,621,252,096
  5. Step 5: Solve for x
    x = 63,179,252,213,621,252,096/7,926,138,793.80
  6. Step 6: Final answer
    x = 7,970,999,985.90

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1.5x scale

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.