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Finding the Fourth Proportional to 199,756,806, 299,635,209 and 56,149,638

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Solution

The fourth proportional to 199,756,806, 299,635,209 and 56,149,638 is: 84,224,457

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,756,806 : 299,635,209 = 56,149,638 : x
  2. Step 2: Convert to fraction form
    199,756,806/299,635,209 = 56,149,638/x
  3. Step 3: Cross multiply
    199,756,806x = 299,635,209 × 56,149,638
  4. Step 4: Simplify right side
    199,756,806x = 16,824,408,517,404,342
  5. Step 5: Solve for x
    x = 16,824,408,517,404,342/199,756,806
  6. Step 6: Final answer
    x = 84,224,457

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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.