Home / 260,760,387,130.80-391,140,580,696.20-253,413,746,746.80

Finding the Fourth Proportional to 260,760,387,130.80, 391,140,580,696.20 and 253,413,746,746.80

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Solution

The fourth proportional to 260,760,387,130.80, 391,140,580,696.20 and 253,413,746,746.80 is: 380,120,620,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,387,130.80 : 391,140,580,696.20 = 253,413,746,746.80 : x
  2. Step 2: Convert to fraction form
    260,760,387,130.80/391,140,580,696.20 = 253,413,746,746.80/x
  3. Step 3: Cross multiply
    260,760,387,130.80x = 391,140,580,696.20 × 253,413,746,746.80
  4. Step 4: Simplify right side
    260,760,387,130.80x = 99,120,400,058,943,109,332,992
  5. Step 5: Solve for x
    x = 99,120,400,058,943,109,332,992/260,760,387,130.80
  6. Step 6: Final answer
    x = 380,120,620,120.20

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Double scale
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1.5x scale

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.