Home / 428,501,362,171.74-591,331,976,320.96-235,813,535,096.61

Finding the Fourth Proportional to 428,501,362,171.74, 591,331,976,320.96 and 235,813,535,096.61

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Solution

The fourth proportional to 428,501,362,171.74, 591,331,976,320.96 and 235,813,535,096.61 is: 325,422,731,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,501,362,171.74 : 591,331,976,320.96 = 235,813,535,096.61 : x
  2. Step 2: Convert to fraction form
    428,501,362,171.74/591,331,976,320.96 = 235,813,535,096.61/x
  3. Step 3: Cross multiply
    428,501,362,171.74x = 591,331,976,320.96 × 235,813,535,096.61
  4. Step 4: Simplify right side
    428,501,362,171.74x = 139,444,083,751,910,434,144,256
  5. Step 5: Solve for x
    x = 139,444,083,751,910,434,144,256/428,501,362,171.74
  6. Step 6: Final answer
    x = 325,422,731,552.54

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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.