Home / 1,129,401,792,251.40-1,694,102,688,377.10-422,654,987,310.60

Finding the Fourth Proportional to 1,129,401,792,251.40, 1,694,102,688,377.10 and 422,654,987,310.60

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Solution

The fourth proportional to 1,129,401,792,251.40, 1,694,102,688,377.10 and 422,654,987,310.60 is: 633,982,480,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,401,792,251.40 : 1,694,102,688,377.10 = 422,654,987,310.60 : x
  2. Step 2: Convert to fraction form
    1,129,401,792,251.40/1,694,102,688,377.10 = 422,654,987,310.60/x
  3. Step 3: Cross multiply
    1,129,401,792,251.40x = 1,694,102,688,377.10 × 422,654,987,310.60
  4. Step 4: Simplify right side
    1,129,401,792,251.40x = 716,020,950,258,876,537,634,816
  5. Step 5: Solve for x
    x = 716,020,950,258,876,537,634,816/1,129,401,792,251.40
  6. Step 6: Final answer
    x = 633,982,480,965.90

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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.