Home / 428,112,616,700.41-590,806,608,111.49-232,807,321,239.29

Finding the Fourth Proportional to 428,112,616,700.41, 590,806,608,111.49 and 232,807,321,239.29

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Solution

The fourth proportional to 428,112,616,700.41, 590,806,608,111.49 and 232,807,321,239.29 is: 321,280,192,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,112,616,700.41 : 590,806,608,111.49 = 232,807,321,239.29 : x
  2. Step 2: Convert to fraction form
    428,112,616,700.41/590,806,608,111.49 = 232,807,321,239.29/x
  3. Step 3: Cross multiply
    428,112,616,700.41x = 590,806,608,111.49 × 232,807,321,239.29
  4. Step 4: Simplify right side
    428,112,616,700.41x = 137,544,103,804,906,969,759,744
  5. Step 5: Solve for x
    x = 137,544,103,804,906,969,759,744/428,112,616,700.41
  6. Step 6: Final answer
    x = 321,280,192,265.76

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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.