Home / 20,443,104,005.20-30,664,656,007.80-16,953,449,822.80

Finding the Fourth Proportional to 20,443,104,005.20, 30,664,656,007.80 and 16,953,449,822.80

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Solution

The fourth proportional to 20,443,104,005.20, 30,664,656,007.80 and 16,953,449,822.80 is: 25,430,174,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443,104,005.20 : 30,664,656,007.80 = 16,953,449,822.80 : x
  2. Step 2: Convert to fraction form
    20,443,104,005.20/30,664,656,007.80 = 16,953,449,822.80/x
  3. Step 3: Cross multiply
    20,443,104,005.20x = 30,664,656,007.80 × 16,953,449,822.80
  4. Step 4: Simplify right side
    20,443,104,005.20x = 519,871,706,961,659,822,080
  5. Step 5: Solve for x
    x = 519,871,706,961,659,822,080/20,443,104,005.20
  6. Step 6: Final answer
    x = 25,430,174,734.20

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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.