Home / 11,757,832,467.81-16,225,780,397.76-6,405,436,809.87

Finding the Fourth Proportional to 11,757,832,467.81, 16,225,780,397.76 and 6,405,436,809.87

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Solution

The fourth proportional to 11,757,832,467.81, 16,225,780,397.76 and 6,405,436,809.87 is: 8,839,487,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757,832,467.81 : 16,225,780,397.76 = 6,405,436,809.87 : x
  2. Step 2: Convert to fraction form
    11,757,832,467.81/16,225,780,397.76 = 6,405,436,809.87/x
  3. Step 3: Cross multiply
    11,757,832,467.81x = 16,225,780,397.76 × 6,405,436,809.87
  4. Step 4: Simplify right side
    11,757,832,467.81x = 103,933,211,028,679,000,064
  5. Step 5: Solve for x
    x = 103,933,211,028,679,000,064/11,757,832,467.81
  6. Step 6: Final answer
    x = 8,839,487,321.60

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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.