Home / 479,260,425,558.82-661,400,177,243.11-265,404,315,630.82

Finding the Fourth Proportional to 479,260,425,558.82, 661,400,177,243.11 and 265,404,315,630.82

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Solution

The fourth proportional to 479,260,425,558.82, 661,400,177,243.11 and 265,404,315,630.82 is: 366,269,468,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,425,558.82 : 661,400,177,243.11 = 265,404,315,630.82 : x
  2. Step 2: Convert to fraction form
    479,260,425,558.82/661,400,177,243.11 = 265,404,315,630.82/x
  3. Step 3: Cross multiply
    479,260,425,558.82x = 661,400,177,243.11 × 265,404,315,630.82
  4. Step 4: Simplify right side
    479,260,425,558.82x = 175,538,461,399,310,642,708,480
  5. Step 5: Solve for x
    x = 175,538,461,399,310,642,708,480/479,260,425,558.82
  6. Step 6: Final answer
    x = 366,269,468,618.51

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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.