Home / 443,745,262.70-664,322,723.46-258,946,445.42

Finding the Fourth Proportional to 443,745,262.70, 664,322,723.46 and 258,946,445.42

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Solution

The fourth proportional to 443,745,262.70, 664,322,723.46 and 258,946,445.42 is: 387,663,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,745,262.70 : 664,322,723.46 = 258,946,445.42 : x
  2. Step 2: Convert to fraction form
    443,745,262.70/664,322,723.46 = 258,946,445.42/x
  3. Step 3: Cross multiply
    443,745,262.70x = 664,322,723.46 × 258,946,445.42
  4. Step 4: Simplify right side
    443,745,262.70x = 172,024,007,851,700,640
  5. Step 5: Solve for x
    x = 172,024,007,851,700,640/443,745,262.70
  6. Step 6: Final answer
    x = 387,663,874.55

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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.