Home / 787,508,982.40-1,181,515,825.68-551,404,444

Finding the Fourth Proportional to 787,508,982.40, 1,181,515,825.68 and 551,404,444

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Solution

The fourth proportional to 787,508,982.40, 1,181,515,825.68 and 551,404,444 is: 827,283,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,508,982.40 : 1,181,515,825.68 = 551,404,444 : x
  2. Step 2: Convert to fraction form
    787,508,982.40/1,181,515,825.68 = 551,404,444/x
  3. Step 3: Cross multiply
    787,508,982.40x = 1,181,515,825.68 × 551,404,444
  4. Step 4: Simplify right side
    787,508,982.40x = 651,493,076,936,281,344
  5. Step 5: Solve for x
    x = 651,493,076,936,281,344/787,508,982.40
  6. Step 6: Final answer
    x = 827,283,359.93

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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.