Home / 510,001,450.20-765,191,132.10-491,105,770.20

Finding the Fourth Proportional to 510,001,450.20, 765,191,132.10 and 491,105,770.20

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Solution

The fourth proportional to 510,001,450.20, 765,191,132.10 and 491,105,770.20 is: 736,840,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,001,450.20 : 765,191,132.10 = 491,105,770.20 : x
  2. Step 2: Convert to fraction form
    510,001,450.20/765,191,132.10 = 491,105,770.20/x
  3. Step 3: Cross multiply
    510,001,450.20x = 765,191,132.10 × 491,105,770.20
  4. Step 4: Simplify right side
    510,001,450.20x = 375,789,780,280,180,416
  5. Step 5: Solve for x
    x = 375,789,780,280,180,416/510,001,450.20
  6. Step 6: Final answer
    x = 736,840,611.20

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1.5x scale

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.