Home / 20,165,083,374.42-30,247,209,692.88-6,720,343,638.24

Finding the Fourth Proportional to 20,165,083,374.42, 30,247,209,692.88 and 6,720,343,638.24

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Solution

The fourth proportional to 20,165,083,374.42, 30,247,209,692.88 and 6,720,343,638.24 is: 10,080,377,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,083,374.42 : 30,247,209,692.88 = 6,720,343,638.24 : x
  2. Step 2: Convert to fraction form
    20,165,083,374.42/30,247,209,692.88 = 6,720,343,638.24/x
  3. Step 3: Cross multiply
    20,165,083,374.42x = 30,247,209,692.88 × 6,720,343,638.24
  4. Step 4: Simplify right side
    20,165,083,374.42x = 203,271,643,234,057,388,032
  5. Step 5: Solve for x
    x = 203,271,643,234,057,388,032/20,165,083,374.42
  6. Step 6: Final answer
    x = 10,080,377,028.93

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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.