Home / 428,055,632.74-590,719,796.49-232,485,344.74

Finding the Fourth Proportional to 428,055,632.74, 590,719,796.49 and 232,485,344.74

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Solution

The fourth proportional to 428,055,632.74, 590,719,796.49 and 232,485,344.74 is: 320,831,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,055,632.74 : 590,719,796.49 = 232,485,344.74 : x
  2. Step 2: Convert to fraction form
    428,055,632.74/590,719,796.49 = 232,485,344.74/x
  3. Step 3: Cross multiply
    428,055,632.74x = 590,719,796.49 × 232,485,344.74
  4. Step 4: Simplify right side
    428,055,632.74x = 137,333,695,531,720,304
  5. Step 5: Solve for x
    x = 137,333,695,531,720,304/428,055,632.74
  6. Step 6: Final answer
    x = 320,831,417.76

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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.