Home / 512,465,202.80-768,623,154.60-148,921,650.80

Finding the Fourth Proportional to 512,465,202.80, 768,623,154.60 and 148,921,650.80

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Solution

The fourth proportional to 512,465,202.80, 768,623,154.60 and 148,921,650.80 is: 223,360,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,465,202.80 : 768,623,154.60 = 148,921,650.80 : x
  2. Step 2: Convert to fraction form
    512,465,202.80/768,623,154.60 = 148,921,650.80/x
  3. Step 3: Cross multiply
    512,465,202.80x = 768,623,154.60 × 148,921,650.80
  4. Step 4: Simplify right side
    512,465,202.80x = 114,464,629,026,135,632
  5. Step 5: Solve for x
    x = 114,464,629,026,135,632/512,465,202.80
  6. Step 6: Final answer
    x = 223,360,783.13

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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.