Home / 428,581,066.66-642,802,731.32-117,616,041.88

Finding the Fourth Proportional to 428,581,066.66, 642,802,731.32 and 117,616,041.88

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Solution

The fourth proportional to 428,581,066.66, 642,802,731.32 and 117,616,041.88 is: 176,405,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,581,066.66 : 642,802,731.32 = 117,616,041.88 : x
  2. Step 2: Convert to fraction form
    428,581,066.66/642,802,731.32 = 117,616,041.88/x
  3. Step 3: Cross multiply
    428,581,066.66x = 642,802,731.32 × 117,616,041.88
  4. Step 4: Simplify right side
    428,581,066.66x = 75,603,912,966,923,424
  5. Step 5: Solve for x
    x = 75,603,912,966,923,424/428,581,066.66
  6. Step 6: Final answer
    x = 176,405,163.10

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Why These Related Problems?

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