Home / 419,981,522.91-630,002,554.98-161,196,743.55

Finding the Fourth Proportional to 419,981,522.91, 630,002,554.98 and 161,196,743.55

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Solution

The fourth proportional to 419,981,522.91, 630,002,554.98 and 161,196,743.55 is: 241,806,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,981,522.91 : 630,002,554.98 = 161,196,743.55 : x
  2. Step 2: Convert to fraction form
    419,981,522.91/630,002,554.98 = 161,196,743.55/x
  3. Step 3: Cross multiply
    419,981,522.91x = 630,002,554.98 × 161,196,743.55
  4. Step 4: Simplify right side
    419,981,522.91x = 101,554,360,290,955,840
  5. Step 5: Solve for x
    x = 101,554,360,290,955,840/419,981,522.91
  6. Step 6: Final answer
    x = 241,806,733.75

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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.