Home / 1,273,192,121.45-1,757,005,208.62-708,664,850.37

Finding the Fourth Proportional to 1,273,192,121.45, 1,757,005,208.62 and 708,664,850.37

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Solution

The fourth proportional to 1,273,192,121.45, 1,757,005,208.62 and 708,664,850.37 is: 977,957,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,192,121.45 : 1,757,005,208.62 = 708,664,850.37 : x
  2. Step 2: Convert to fraction form
    1,273,192,121.45/1,757,005,208.62 = 708,664,850.37/x
  3. Step 3: Cross multiply
    1,273,192,121.45x = 1,757,005,208.62 × 708,664,850.37
  4. Step 4: Simplify right side
    1,273,192,121.45x = 1,245,127,833,264,231,424
  5. Step 5: Solve for x
    x = 1,245,127,833,264,231,424/1,273,192,121.45
  6. Step 6: Final answer
    x = 977,957,538.60

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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.