Home / 1,339,241,188.64-2,008,086,185.75-453,629,731.46

Finding the Fourth Proportional to 1,339,241,188.64, 2,008,086,185.75 and 453,629,731.46

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Solution

The fourth proportional to 1,339,241,188.64, 2,008,086,185.75 and 453,629,731.46 is: 680,181,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,241,188.64 : 2,008,086,185.75 = 453,629,731.46 : x
  2. Step 2: Convert to fraction form
    1,339,241,188.64/2,008,086,185.75 = 453,629,731.46/x
  3. Step 3: Cross multiply
    1,339,241,188.64x = 2,008,086,185.75 × 453,629,731.46
  4. Step 4: Simplify right side
    1,339,241,188.64x = 910,927,597,177,999,488
  5. Step 5: Solve for x
    x = 910,927,597,177,999,488/1,339,241,188.64
  6. Step 6: Final answer
    x = 680,181,885.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.