Home / 1,415,763,610.84-2,123,730,540.36-433,198,662.78

Finding the Fourth Proportional to 1,415,763,610.84, 2,123,730,540.36 and 433,198,662.78

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Solution

The fourth proportional to 1,415,763,610.84, 2,123,730,540.36 and 433,198,662.78 is: 649,824,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,763,610.84 : 2,123,730,540.36 = 433,198,662.78 : x
  2. Step 2: Convert to fraction form
    1,415,763,610.84/2,123,730,540.36 = 433,198,662.78/x
  3. Step 3: Cross multiply
    1,415,763,610.84x = 2,123,730,540.36 × 433,198,662.78
  4. Step 4: Simplify right side
    1,415,763,610.84x = 919,997,230,188,998,656
  5. Step 5: Solve for x
    x = 919,997,230,188,998,656/1,415,763,610.84
  6. Step 6: Final answer
    x = 649,824,040.64

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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.