Home / 13,419,432,145.80-20,129,148,218.70-4,586,244,996.60

Finding the Fourth Proportional to 13,419,432,145.80, 20,129,148,218.70 and 4,586,244,996.60

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Solution

The fourth proportional to 13,419,432,145.80, 20,129,148,218.70 and 4,586,244,996.60 is: 6,879,367,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419,432,145.80 : 20,129,148,218.70 = 4,586,244,996.60 : x
  2. Step 2: Convert to fraction form
    13,419,432,145.80/20,129,148,218.70 = 4,586,244,996.60/x
  3. Step 3: Cross multiply
    13,419,432,145.80x = 20,129,148,218.70 × 4,586,244,996.60
  4. Step 4: Simplify right side
    13,419,432,145.80x = 92,317,205,303,832,690,688
  5. Step 5: Solve for x
    x = 92,317,205,303,832,690,688/13,419,432,145.80
  6. Step 6: Final answer
    x = 6,879,367,494.90

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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.