Home / 511,758,401.60-766,503,861.60-443,733,953.60

Finding the Fourth Proportional to 511,758,401.60, 766,503,861.60 and 443,733,953.60

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Solution

The fourth proportional to 511,758,401.60, 766,503,861.60 and 443,733,953.60 is: 664,617,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,758,401.60 : 766,503,861.60 = 443,733,953.60 : x
  2. Step 2: Convert to fraction form
    511,758,401.60/766,503,861.60 = 443,733,953.60/x
  3. Step 3: Cross multiply
    511,758,401.60x = 766,503,861.60 × 443,733,953.60
  4. Step 4: Simplify right side
    511,758,401.60x = 340,123,788,957,435,264
  5. Step 5: Solve for x
    x = 340,123,788,957,435,264/511,758,401.60
  6. Step 6: Final answer
    x = 664,617,889.80

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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.