Home / 11,757,832,478.88-16,225,780,411.80-6,405,436,820.64

Finding the Fourth Proportional to 11,757,832,478.88, 16,225,780,411.80 and 6,405,436,820.64

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Solution

The fourth proportional to 11,757,832,478.88, 16,225,780,411.80 and 6,405,436,820.64 is: 8,839,487,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757,832,478.88 : 16,225,780,411.80 = 6,405,436,820.64 : x
  2. Step 2: Convert to fraction form
    11,757,832,478.88/16,225,780,411.80 = 6,405,436,820.64/x
  3. Step 3: Cross multiply
    11,757,832,478.88x = 16,225,780,411.80 × 6,405,436,820.64
  4. Step 4: Simplify right side
    11,757,832,478.88x = 103,933,211,293,362,978,816
  5. Step 5: Solve for x
    x = 103,933,211,293,362,978,816/11,757,832,478.88
  6. Step 6: Final answer
    x = 8,839,487,335.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.