Home / 1,040,364,793.48-1,435,412,867.62-819,662,974.60

Finding the Fourth Proportional to 1,040,364,793.48, 1,435,412,867.62 and 819,662,974.60

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Solution

The fourth proportional to 1,040,364,793.48, 1,435,412,867.62 and 819,662,974.60 is: 1,130,905,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,364,793.48 : 1,435,412,867.62 = 819,662,974.60 : x
  2. Step 2: Convert to fraction form
    1,040,364,793.48/1,435,412,867.62 = 819,662,974.60/x
  3. Step 3: Cross multiply
    1,040,364,793.48x = 1,435,412,867.62 × 819,662,974.60
  4. Step 4: Simplify right side
    1,040,364,793.48x = 1,176,554,780,852,525,056
  5. Step 5: Solve for x
    x = 1,176,554,780,852,525,056/1,040,364,793.48
  6. Step 6: Final answer
    x = 1,130,905,993.96

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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.