Home / 428,073,963.48-590,738,822.82-232,505,075.16

Finding the Fourth Proportional to 428,073,963.48, 590,738,822.82 and 232,505,075.16

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Solution

The fourth proportional to 428,073,963.48, 590,738,822.82 and 232,505,075.16 is: 320,855,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,073,963.48 : 590,738,822.82 = 232,505,075.16 : x
  2. Step 2: Convert to fraction form
    428,073,963.48/590,738,822.82 = 232,505,075.16/x
  3. Step 3: Cross multiply
    428,073,963.48x = 590,738,822.82 × 232,505,075.16
  4. Step 4: Simplify right side
    428,073,963.48x = 137,349,774,399,694,032
  5. Step 5: Solve for x
    x = 137,349,774,399,694,032/428,073,963.48
  6. Step 6: Final answer
    x = 320,855,240.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.