Home / 428,055,634.49-590,719,798.91-232,485,346.49

Finding the Fourth Proportional to 428,055,634.49, 590,719,798.91 and 232,485,346.49

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Solution

The fourth proportional to 428,055,634.49, 590,719,798.91 and 232,485,346.49 is: 320,831,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,055,634.49 : 590,719,798.91 = 232,485,346.49 : x
  2. Step 2: Convert to fraction form
    428,055,634.49/590,719,798.91 = 232,485,346.49/x
  3. Step 3: Cross multiply
    428,055,634.49x = 590,719,798.91 × 232,485,346.49
  4. Step 4: Simplify right side
    428,055,634.49x = 137,333,697,126,932,048
  5. Step 5: Solve for x
    x = 137,333,697,126,932,048/428,055,634.49
  6. Step 6: Final answer
    x = 320,831,420.17

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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.