Home / 939,804,734.45-1,296,854,618.38-543,353,277.56

Finding the Fourth Proportional to 939,804,734.45, 1,296,854,618.38 and 543,353,277.56

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Solution

The fourth proportional to 939,804,734.45, 1,296,854,618.38 and 543,353,277.56 is: 749,783,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,804,734.45 : 1,296,854,618.38 = 543,353,277.56 : x
  2. Step 2: Convert to fraction form
    939,804,734.45/1,296,854,618.38 = 543,353,277.56/x
  3. Step 3: Cross multiply
    939,804,734.45x = 1,296,854,618.38 × 543,353,277.56
  4. Step 4: Simplify right side
    939,804,734.45x = 704,650,207,407,753,344
  5. Step 5: Solve for x
    x = 704,650,207,407,753,344/939,804,734.45
  6. Step 6: Final answer
    x = 749,783,632.25

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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.