Home / 253,177,662.80-379,766,494.20-229,747,019.60

Finding the Fourth Proportional to 253,177,662.80, 379,766,494.20 and 229,747,019.60

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Solution

The fourth proportional to 253,177,662.80, 379,766,494.20 and 229,747,019.60 is: 344,620,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,177,662.80 : 379,766,494.20 = 229,747,019.60 : x
  2. Step 2: Convert to fraction form
    253,177,662.80/379,766,494.20 = 229,747,019.60/x
  3. Step 3: Cross multiply
    253,177,662.80x = 379,766,494.20 × 229,747,019.60
  4. Step 4: Simplify right side
    253,177,662.80x = 87,250,220,186,390,688
  5. Step 5: Solve for x
    x = 87,250,220,186,390,688/253,177,662.80
  6. Step 6: Final answer
    x = 344,620,529.40

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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.