Home / 419,100,344.40-628,650,516.60-131,886,008.40

Finding the Fourth Proportional to 419,100,344.40, 628,650,516.60 and 131,886,008.40

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Solution

The fourth proportional to 419,100,344.40, 628,650,516.60 and 131,886,008.40 is: 197,829,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,100,344.40 : 628,650,516.60 = 131,886,008.40 : x
  2. Step 2: Convert to fraction form
    419,100,344.40/628,650,516.60 = 131,886,008.40/x
  3. Step 3: Cross multiply
    419,100,344.40x = 628,650,516.60 × 131,886,008.40
  4. Step 4: Simplify right side
    419,100,344.40x = 82,910,207,312,971,952
  5. Step 5: Solve for x
    x = 82,910,207,312,971,952/419,100,344.40
  6. Step 6: Final answer
    x = 197,829,012.60

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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.