Home / 428,055,638.74-590,719,804.78-232,485,350.74

Finding the Fourth Proportional to 428,055,638.74, 590,719,804.78 and 232,485,350.74

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Solution

The fourth proportional to 428,055,638.74, 590,719,804.78 and 232,485,350.74 is: 320,831,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,055,638.74 : 590,719,804.78 = 232,485,350.74 : x
  2. Step 2: Convert to fraction form
    428,055,638.74/590,719,804.78 = 232,485,350.74/x
  3. Step 3: Cross multiply
    428,055,638.74x = 590,719,804.78 × 232,485,350.74
  4. Step 4: Simplify right side
    428,055,638.74x = 137,333,701,003,342,624
  5. Step 5: Solve for x
    x = 137,333,701,003,342,624/428,055,638.74
  6. Step 6: Final answer
    x = 320,831,426.04

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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.