Home / 419,894,136.72-630,122,140.26-174,250,763.28

Finding the Fourth Proportional to 419,894,136.72, 630,122,140.26 and 174,250,763.28

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Solution

The fourth proportional to 419,894,136.72, 630,122,140.26 and 174,250,763.28 is: 261,492,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,894,136.72 : 630,122,140.26 = 174,250,763.28 : x
  2. Step 2: Convert to fraction form
    419,894,136.72/630,122,140.26 = 174,250,763.28/x
  3. Step 3: Cross multiply
    419,894,136.72x = 630,122,140.26 × 174,250,763.28
  4. Step 4: Simplify right side
    419,894,136.72x = 109,799,263,899,932,224
  5. Step 5: Solve for x
    x = 109,799,263,899,932,224/419,894,136.72
  6. Step 6: Final answer
    x = 261,492,729.47

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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.