Home / 10,251,692,872.20-15,379,012,895.40-3,169,728,042.84

Finding the Fourth Proportional to 10,251,692,872.20, 15,379,012,895.40 and 3,169,728,042.84

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Solution

The fourth proportional to 10,251,692,872.20, 15,379,012,895.40 and 3,169,728,042.84 is: 4,755,047,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251,692,872.20 : 15,379,012,895.40 = 3,169,728,042.84 : x
  2. Step 2: Convert to fraction form
    10,251,692,872.20/15,379,012,895.40 = 3,169,728,042.84/x
  3. Step 3: Cross multiply
    10,251,692,872.20x = 15,379,012,895.40 × 3,169,728,042.84
  4. Step 4: Simplify right side
    10,251,692,872.20x = 48,747,288,445,747,363,840
  5. Step 5: Solve for x
    x = 48,747,288,445,747,363,840/10,251,692,872.20
  6. Step 6: Final answer
    x = 4,755,047,683.68

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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.