Home / 1,262,413,201.95-1,741,979,317.64-697,821,811.47

Finding the Fourth Proportional to 1,262,413,201.95, 1,741,979,317.64 and 697,821,811.47

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Solution

The fourth proportional to 1,262,413,201.95, 1,741,979,317.64 and 697,821,811.47 is: 962,910,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,413,201.95 : 1,741,979,317.64 = 697,821,811.47 : x
  2. Step 2: Convert to fraction form
    1,262,413,201.95/1,741,979,317.64 = 697,821,811.47/x
  3. Step 3: Cross multiply
    1,262,413,201.95x = 1,741,979,317.64 × 697,821,811.47
  4. Step 4: Simplify right side
    1,262,413,201.95x = 1,215,591,162,975,330,304
  5. Step 5: Solve for x
    x = 1,215,591,162,975,330,304/1,262,413,201.95
  6. Step 6: Final answer
    x = 962,910,686.53

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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.