Home / 1,277,812,166,032.20-1,916,836,078,344.60-417,290,845,473.48

Finding the Fourth Proportional to 1,277,812,166,032.20, 1,916,836,078,344.60 and 417,290,845,473.48

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Solution

The fourth proportional to 1,277,812,166,032.20, 1,916,836,078,344.60 and 417,290,845,473.48 is: 625,974,747,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,812,166,032.20 : 1,916,836,078,344.60 = 417,290,845,473.48 : x
  2. Step 2: Convert to fraction form
    1,277,812,166,032.20/1,916,836,078,344.60 = 417,290,845,473.48/x
  3. Step 3: Cross multiply
    1,277,812,166,032.20x = 1,916,836,078,344.60 × 417,290,845,473.48
  4. Step 4: Simplify right side
    1,277,812,166,032.20x = 799,878,147,766,487,844,126,720
  5. Step 5: Solve for x
    x = 799,878,147,766,487,844,126,720/1,277,812,166,032.20
  6. Step 6: Final answer
    x = 625,974,747,329.44

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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.