Home / 3,998,901,992.83-5,998,749,078.86-1,478,491,068.75

Finding the Fourth Proportional to 3,998,901,992.83, 5,998,749,078.86 and 1,478,491,068.75

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Solution

The fourth proportional to 3,998,901,992.83, 5,998,749,078.86 and 1,478,491,068.75 is: 2,217,883,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,901,992.83 : 5,998,749,078.86 = 1,478,491,068.75 : x
  2. Step 2: Convert to fraction form
    3,998,901,992.83/5,998,749,078.86 = 1,478,491,068.75/x
  3. Step 3: Cross multiply
    3,998,901,992.83x = 5,998,749,078.86 × 1,478,491,068.75
  4. Step 4: Simplify right side
    3,998,901,992.83x = 8,869,096,936,759,406,592
  5. Step 5: Solve for x
    x = 8,869,096,936,759,406,592/3,998,901,992.83
  6. Step 6: Final answer
    x = 2,217,883,047.06

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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.