Home / 1,283,335,260.76-1,766,886,619.80-1,000,715,040.75

Finding the Fourth Proportional to 1,283,335,260.76, 1,766,886,619.80 and 1,000,715,040.75

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Solution

The fourth proportional to 1,283,335,260.76, 1,766,886,619.80 and 1,000,715,040.75 is: 1,377,777,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,335,260.76 : 1,766,886,619.80 = 1,000,715,040.75 : x
  2. Step 2: Convert to fraction form
    1,283,335,260.76/1,766,886,619.80 = 1,000,715,040.75/x
  3. Step 3: Cross multiply
    1,283,335,260.76x = 1,766,886,619.80 × 1,000,715,040.75
  4. Step 4: Simplify right side
    1,283,335,260.76x = 1,768,150,015,744,303,872
  5. Step 5: Solve for x
    x = 1,768,150,015,744,303,872/1,283,335,260.76
  6. Step 6: Final answer
    x = 1,377,777,163.78

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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.