Home / 512,245,103.10-768,367,654.65-148,776,200.70

Finding the Fourth Proportional to 512,245,103.10, 768,367,654.65 and 148,776,200.70

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Solution

The fourth proportional to 512,245,103.10, 768,367,654.65 and 148,776,200.70 is: 223,164,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,245,103.10 : 768,367,654.65 = 148,776,200.70 : x
  2. Step 2: Convert to fraction form
    512,245,103.10/768,367,654.65 = 148,776,200.70/x
  3. Step 3: Cross multiply
    512,245,103.10x = 768,367,654.65 × 148,776,200.70
  4. Step 4: Simplify right side
    512,245,103.10x = 114,314,820,399,596,672
  5. Step 5: Solve for x
    x = 114,314,820,399,596,672/512,245,103.10
  6. Step 6: Final answer
    x = 223,164,301.05

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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.