Home / 393,296,836.60-589,889,267.70-134,523,998.20

Finding the Fourth Proportional to 393,296,836.60, 589,889,267.70 and 134,523,998.20

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Solution

The fourth proportional to 393,296,836.60, 589,889,267.70 and 134,523,998.20 is: 201,766,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,296,836.60 : 589,889,267.70 = 134,523,998.20 : x
  2. Step 2: Convert to fraction form
    393,296,836.60/589,889,267.70 = 134,523,998.20/x
  3. Step 3: Cross multiply
    393,296,836.60x = 589,889,267.70 × 134,523,998.20
  4. Step 4: Simplify right side
    393,296,836.60x = 79,354,262,786,274,112
  5. Step 5: Solve for x
    x = 79,354,262,786,274,112/393,296,836.60
  6. Step 6: Final answer
    x = 201,766,847.33

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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.