Home / 428,501,362,967.77-591,331,977,417.27-235,813,535,893.48

Finding the Fourth Proportional to 428,501,362,967.77, 591,331,977,417.27 and 235,813,535,893.48

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Solution

The fourth proportional to 428,501,362,967.77, 591,331,977,417.27 and 235,813,535,893.48 is: 325,422,732,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,501,362,967.77 : 591,331,977,417.27 = 235,813,535,893.48 : x
  2. Step 2: Convert to fraction form
    428,501,362,967.77/591,331,977,417.27 = 235,813,535,893.48/x
  3. Step 3: Cross multiply
    428,501,362,967.77x = 591,331,977,417.27 × 235,813,535,893.48
  4. Step 4: Simplify right side
    428,501,362,967.77x = 139,444,084,481,649,922,801,664
  5. Step 5: Solve for x
    x = 139,444,084,481,649,922,801,664/428,501,362,967.77
  6. Step 6: Final answer
    x = 325,422,732,651.00

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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.