Home / 2,910,083,191.55-4,365,061,968.83-811,503,699.64

Finding the Fourth Proportional to 2,910,083,191.55, 4,365,061,968.83 and 811,503,699.64

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Solution

The fourth proportional to 2,910,083,191.55, 4,365,061,968.83 and 811,503,699.64 is: 1,217,238,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,083,191.55 : 4,365,061,968.83 = 811,503,699.64 : x
  2. Step 2: Convert to fraction form
    2,910,083,191.55/4,365,061,968.83 = 811,503,699.64/x
  3. Step 3: Cross multiply
    2,910,083,191.55x = 4,365,061,968.83 × 811,503,699.64
  4. Step 4: Simplify right side
    2,910,083,191.55x = 3,542,263,936,837,524,480
  5. Step 5: Solve for x
    x = 3,542,263,936,837,524,480/2,910,083,191.55
  6. Step 6: Final answer
    x = 1,217,238,031.93

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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.