Home / 7,770,701,885.72-10,723,600,911.20-4,202,408,791.76

Finding the Fourth Proportional to 7,770,701,885.72, 10,723,600,911.20 and 4,202,408,791.76

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Solution

The fourth proportional to 7,770,701,885.72, 10,723,600,911.20 and 4,202,408,791.76 is: 5,799,341,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,701,885.72 : 10,723,600,911.20 = 4,202,408,791.76 : x
  2. Step 2: Convert to fraction form
    7,770,701,885.72/10,723,600,911.20 = 4,202,408,791.76/x
  3. Step 3: Cross multiply
    7,770,701,885.72x = 10,723,600,911.20 × 4,202,408,791.76
  4. Step 4: Simplify right side
    7,770,701,885.72x = 45,064,954,748,552,429,568
  5. Step 5: Solve for x
    x = 45,064,954,748,552,429,568/7,770,701,885.72
  6. Step 6: Final answer
    x = 5,799,341,605.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.