Home / 428,055,634.74-590,719,799.25-232,485,346.74

Finding the Fourth Proportional to 428,055,634.74, 590,719,799.25 and 232,485,346.74

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Solution

The fourth proportional to 428,055,634.74, 590,719,799.25 and 232,485,346.74 is: 320,831,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,055,634.74 : 590,719,799.25 = 232,485,346.74 : x
  2. Step 2: Convert to fraction form
    428,055,634.74/590,719,799.25 = 232,485,346.74/x
  3. Step 3: Cross multiply
    428,055,634.74x = 590,719,799.25 × 232,485,346.74
  4. Step 4: Simplify right side
    428,055,634.74x = 137,333,697,354,819,440
  5. Step 5: Solve for x
    x = 137,333,697,354,819,440/428,055,634.74
  6. Step 6: Final answer
    x = 320,831,420.52

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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.