Home / 1,129,401,792,304.40-1,694,102,688,456.60-422,654,987,363.60

Finding the Fourth Proportional to 1,129,401,792,304.40, 1,694,102,688,456.60 and 422,654,987,363.60

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Solution

The fourth proportional to 1,129,401,792,304.40, 1,694,102,688,456.60 and 422,654,987,363.60 is: 633,982,481,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,401,792,304.40 : 1,694,102,688,456.60 = 422,654,987,363.60 : x
  2. Step 2: Convert to fraction form
    1,129,401,792,304.40/1,694,102,688,456.60 = 422,654,987,363.60/x
  3. Step 3: Cross multiply
    1,129,401,792,304.40x = 1,694,102,688,456.60 × 422,654,987,363.60
  4. Step 4: Simplify right side
    1,129,401,792,304.40x = 716,020,950,382,265,042,468,864
  5. Step 5: Solve for x
    x = 716,020,950,382,265,042,468,864/1,129,401,792,304.40
  6. Step 6: Final answer
    x = 633,982,481,045.40

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Double scale
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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.