Home / 11,957,690,221.20-17,936,535,331.80-6,447,709,933.20

Finding the Fourth Proportional to 11,957,690,221.20, 17,936,535,331.80 and 6,447,709,933.20

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Solution

The fourth proportional to 11,957,690,221.20, 17,936,535,331.80 and 6,447,709,933.20 is: 9,671,564,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957,690,221.20 : 17,936,535,331.80 = 6,447,709,933.20 : x
  2. Step 2: Convert to fraction form
    11,957,690,221.20/17,936,535,331.80 = 6,447,709,933.20/x
  3. Step 3: Cross multiply
    11,957,690,221.20x = 17,936,535,331.80 × 6,447,709,933.20
  4. Step 4: Simplify right side
    11,957,690,221.20x = 115,649,577,026,039,611,392
  5. Step 5: Solve for x
    x = 115,649,577,026,039,611,392/11,957,690,221.20
  6. Step 6: Final answer
    x = 9,671,564,899.80

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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.