Home / 428,501,362,173.74-591,331,976,323.72-235,813,535,098.61

Finding the Fourth Proportional to 428,501,362,173.74, 591,331,976,323.72 and 235,813,535,098.61

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Solution

The fourth proportional to 428,501,362,173.74, 591,331,976,323.72 and 235,813,535,098.61 is: 325,422,731,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,501,362,173.74 : 591,331,976,323.72 = 235,813,535,098.61 : x
  2. Step 2: Convert to fraction form
    428,501,362,173.74/591,331,976,323.72 = 235,813,535,098.61/x
  3. Step 3: Cross multiply
    428,501,362,173.74x = 591,331,976,323.72 × 235,813,535,098.61
  4. Step 4: Simplify right side
    428,501,362,173.74x = 139,444,083,753,743,948,972,032
  5. Step 5: Solve for x
    x = 139,444,083,753,743,948,972,032/428,501,362,173.74
  6. Step 6: Final answer
    x = 325,422,731,555.30

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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.