Home / 505,306,822.97-758,032,537.59-155,582,481.71

Finding the Fourth Proportional to 505,306,822.97, 758,032,537.59 and 155,582,481.71

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Solution

The fourth proportional to 505,306,822.97, 758,032,537.59 and 155,582,481.71 is: 233,395,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,306,822.97 : 758,032,537.59 = 155,582,481.71 : x
  2. Step 2: Convert to fraction form
    505,306,822.97/758,032,537.59 = 155,582,481.71/x
  3. Step 3: Cross multiply
    505,306,822.97x = 758,032,537.59 × 155,582,481.71
  4. Step 4: Simplify right side
    505,306,822.97x = 117,936,583,417,076,160
  5. Step 5: Solve for x
    x = 117,936,583,417,076,160/505,306,822.97
  6. Step 6: Final answer
    x = 233,395,984.49

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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.