Home / 828,302,755.69-1,241,510,107.51-517,553,850.25

Finding the Fourth Proportional to 828,302,755.69, 1,241,510,107.51 and 517,553,850.25

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Solution

The fourth proportional to 828,302,755.69, 1,241,510,107.51 and 517,553,850.25 is: 775,740,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,302,755.69 : 1,241,510,107.51 = 517,553,850.25 : x
  2. Step 2: Convert to fraction form
    828,302,755.69/1,241,510,107.51 = 517,553,850.25/x
  3. Step 3: Cross multiply
    828,302,755.69x = 1,241,510,107.51 × 517,553,850.25
  4. Step 4: Simplify right side
    828,302,755.69x = 642,548,336,266,091,904
  5. Step 5: Solve for x
    x = 642,548,336,266,091,904/828,302,755.69
  6. Step 6: Final answer
    x = 775,740,913.39

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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.