Home / 671,160,857.80-1,006,741,286.70-211,240,006.60

Finding the Fourth Proportional to 671,160,857.80, 1,006,741,286.70 and 211,240,006.60

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Solution

The fourth proportional to 671,160,857.80, 1,006,741,286.70 and 211,240,006.60 is: 316,860,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,160,857.80 : 1,006,741,286.70 = 211,240,006.60 : x
  2. Step 2: Convert to fraction form
    671,160,857.80/1,006,741,286.70 = 211,240,006.60/x
  3. Step 3: Cross multiply
    671,160,857.80x = 1,006,741,286.70 × 211,240,006.60
  4. Step 4: Simplify right side
    671,160,857.80x = 212,664,036,047,000,512
  5. Step 5: Solve for x
    x = 212,664,036,047,000,512/671,160,857.80
  6. Step 6: Final answer
    x = 316,860,009.90

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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.