Home / 10,801,878,801-16,181,853,114.05-7,960,512,790.68

Finding the Fourth Proportional to 10,801,878,801, 16,181,853,114.05 and 7,960,512,790.68

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Solution

The fourth proportional to 10,801,878,801, 16,181,853,114.05 and 7,960,512,790.68 is: 11,925,318,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801,878,801 : 16,181,853,114.05 = 7,960,512,790.68 : x
  2. Step 2: Convert to fraction form
    10,801,878,801/16,181,853,114.05 = 7,960,512,790.68/x
  3. Step 3: Cross multiply
    10,801,878,801x = 16,181,853,114.05 × 7,960,512,790.68
  4. Step 4: Simplify right side
    10,801,878,801x = 128,815,848,691,300,007,936
  5. Step 5: Solve for x
    x = 128,815,848,691,300,007,936/10,801,878,801
  6. Step 6: Final answer
    x = 11,925,318,832.44

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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.