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Finding the Fourth Proportional to 574,661,537.44, 793,032,891.31 and 310,343,505.01

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Solution

The fourth proportional to 574,661,537.44, 793,032,891.31 and 310,343,505.01 is: 428,274,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,661,537.44 : 793,032,891.31 = 310,343,505.01 : x
  2. Step 2: Convert to fraction form
    574,661,537.44/793,032,891.31 = 310,343,505.01/x
  3. Step 3: Cross multiply
    574,661,537.44x = 793,032,891.31 × 310,343,505.01
  4. Step 4: Simplify right side
    574,661,537.44x = 246,112,607,076,455,008
  5. Step 5: Solve for x
    x = 246,112,607,076,455,008/574,661,537.44
  6. Step 6: Final answer
    x = 428,274,020.52

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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.