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Finding the Fourth Proportional to 1,789,684,918.94, 2,469,841,735.48 and 996,730,770.89

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Solution

The fourth proportional to 1,789,684,918.94, 2,469,841,735.48 and 996,730,770.89 is: 1,375,531,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,684,918.94 : 2,469,841,735.48 = 996,730,770.89 : x
  2. Step 2: Convert to fraction form
    1,789,684,918.94/2,469,841,735.48 = 996,730,770.89/x
  3. Step 3: Cross multiply
    1,789,684,918.94x = 2,469,841,735.48 × 996,730,770.89
  4. Step 4: Simplify right side
    1,789,684,918.94x = 2,461,767,256,984,958,464
  5. Step 5: Solve for x
    x = 2,461,767,256,984,958,464/1,789,684,918.94
  6. Step 6: Final answer
    x = 1,375,531,095.41

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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.