Home / 428,112,616,695.65-590,806,608,104.95-232,807,321,234.54

Finding the Fourth Proportional to 428,112,616,695.65, 590,806,608,104.95 and 232,807,321,234.54

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Solution

The fourth proportional to 428,112,616,695.65, 590,806,608,104.95 and 232,807,321,234.54 is: 321,280,192,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,112,616,695.65 : 590,806,608,104.95 = 232,807,321,234.54 : x
  2. Step 2: Convert to fraction form
    428,112,616,695.65/590,806,608,104.95 = 232,807,321,234.54/x
  3. Step 3: Cross multiply
    428,112,616,695.65x = 590,806,608,104.95 × 232,807,321,234.54
  4. Step 4: Simplify right side
    428,112,616,695.65x = 137,544,103,800,578,078,932,992
  5. Step 5: Solve for x
    x = 137,544,103,800,578,078,932,992/428,112,616,695.65
  6. Step 6: Final answer
    x = 321,280,192,259.22

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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.