Home / 479,260,425,485.77-661,400,177,142.33-265,404,315,557.78

Finding the Fourth Proportional to 479,260,425,485.77, 661,400,177,142.33 and 265,404,315,557.78

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Solution

The fourth proportional to 479,260,425,485.77, 661,400,177,142.33 and 265,404,315,557.78 is: 366,269,468,517.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,425,485.77 : 661,400,177,142.33 = 265,404,315,557.78 : x
  2. Step 2: Convert to fraction form
    479,260,425,485.77/661,400,177,142.33 = 265,404,315,557.78/x
  3. Step 3: Cross multiply
    479,260,425,485.77x = 661,400,177,142.33 × 265,404,315,557.78
  4. Step 4: Simplify right side
    479,260,425,485.77x = 175,538,461,324,254,545,707,008
  5. Step 5: Solve for x
    x = 175,538,461,324,254,545,707,008/479,260,425,485.77
  6. Step 6: Final answer
    x = 366,269,468,517.73

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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.