Home / 275,521,662,593.20-380,219,891,290.02-148,792,115,969.19

Finding the Fourth Proportional to 275,521,662,593.20, 380,219,891,290.02 and 148,792,115,969.19

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Solution

The fourth proportional to 275,521,662,593.20, 380,219,891,290.02 and 148,792,115,969.19 is: 205,333,118,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,521,662,593.20 : 380,219,891,290.02 = 148,792,115,969.19 : x
  2. Step 2: Convert to fraction form
    275,521,662,593.20/380,219,891,290.02 = 148,792,115,969.19/x
  3. Step 3: Cross multiply
    275,521,662,593.20x = 380,219,891,290.02 × 148,792,115,969.19
  4. Step 4: Simplify right side
    275,521,662,593.20x = 56,573,722,158,617,476,464,640
  5. Step 5: Solve for x
    x = 56,573,722,158,617,476,464,640/275,521,662,593.20
  6. Step 6: Final answer
    x = 205,333,118,369.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.