Home / 392,209,524.80-541,242,604.04-216,013,914.90

Finding the Fourth Proportional to 392,209,524.80, 541,242,604.04 and 216,013,914.90

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Solution

The fourth proportional to 392,209,524.80, 541,242,604.04 and 216,013,914.90 is: 298,095,600.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,209,524.80 : 541,242,604.04 = 216,013,914.90 : x
  2. Step 2: Convert to fraction form
    392,209,524.80/541,242,604.04 = 216,013,914.90/x
  3. Step 3: Cross multiply
    392,209,524.80x = 541,242,604.04 × 216,013,914.90
  4. Step 4: Simplify right side
    392,209,524.80x = 116,915,933,808,270,880
  5. Step 5: Solve for x
    x = 116,915,933,808,270,880/392,209,524.80
  6. Step 6: Final answer
    x = 298,095,600.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.