Home / 12,200,543,999.20-18,300,815,998.80-3,357,365,759.20

Finding the Fourth Proportional to 12,200,543,999.20, 18,300,815,998.80 and 3,357,365,759.20

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Solution

The fourth proportional to 12,200,543,999.20, 18,300,815,998.80 and 3,357,365,759.20 is: 5,036,048,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200,543,999.20 : 18,300,815,998.80 = 3,357,365,759.20 : x
  2. Step 2: Convert to fraction form
    12,200,543,999.20/18,300,815,998.80 = 3,357,365,759.20/x
  3. Step 3: Cross multiply
    12,200,543,999.20x = 18,300,815,998.80 × 3,357,365,759.20
  4. Step 4: Simplify right side
    12,200,543,999.20x = 61,442,532,999,790,665,728
  5. Step 5: Solve for x
    x = 61,442,532,999,790,665,728/12,200,543,999.20
  6. Step 6: Final answer
    x = 5,036,048,638.80

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1.5x scale

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.