Home / 479,260,425,591-661,400,177,287.40-265,404,315,663

Finding the Fourth Proportional to 479,260,425,591, 661,400,177,287.40 and 265,404,315,663

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Solution

The fourth proportional to 479,260,425,591, 661,400,177,287.40 and 265,404,315,663 is: 366,269,468,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,425,591 : 661,400,177,287.40 = 265,404,315,663 : x
  2. Step 2: Convert to fraction form
    479,260,425,591/661,400,177,287.40 = 265,404,315,663/x
  3. Step 3: Cross multiply
    479,260,425,591x = 661,400,177,287.40 × 265,404,315,663
  4. Step 4: Simplify right side
    479,260,425,591x = 175,538,461,432,349,275,979,776
  5. Step 5: Solve for x
    x = 175,538,461,432,349,275,979,776/479,260,425,591
  6. Step 6: Final answer
    x = 366,269,468,662.86

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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.