Home / 328,094,597.20-492,330,852.60-123,769,310.80

Finding the Fourth Proportional to 328,094,597.20, 492,330,852.60 and 123,769,310.80

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Solution

The fourth proportional to 328,094,597.20, 492,330,852.60 and 123,769,310.80 is: 185,725,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,094,597.20 : 492,330,852.60 = 123,769,310.80 : x
  2. Step 2: Convert to fraction form
    328,094,597.20/492,330,852.60 = 123,769,310.80/x
  3. Step 3: Cross multiply
    328,094,597.20x = 492,330,852.60 × 123,769,310.80
  4. Step 4: Simplify right side
    328,094,597.20x = 60,935,450,311,878,392
  5. Step 5: Solve for x
    x = 60,935,450,311,878,392/328,094,597.20
  6. Step 6: Final answer
    x = 185,725,247.63

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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.