Home / 1,273,192,122.45-1,757,005,210-708,664,851.37

Finding the Fourth Proportional to 1,273,192,122.45, 1,757,005,210 and 708,664,851.37

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Solution

The fourth proportional to 1,273,192,122.45, 1,757,005,210 and 708,664,851.37 is: 977,957,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,192,122.45 : 1,757,005,210 = 708,664,851.37 : x
  2. Step 2: Convert to fraction form
    1,273,192,122.45/1,757,005,210 = 708,664,851.37/x
  3. Step 3: Cross multiply
    1,273,192,122.45x = 1,757,005,210 × 708,664,851.37
  4. Step 4: Simplify right side
    1,273,192,122.45x = 1,245,127,836,000,965,632
  5. Step 5: Solve for x
    x = 1,245,127,836,000,965,632/1,273,192,122.45
  6. Step 6: Final answer
    x = 977,957,539.99

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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.