Home / 320,798,732.56-442,690,396.68-174,117,867.28

Finding the Fourth Proportional to 320,798,732.56, 442,690,396.68 and 174,117,867.28

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Solution

The fourth proportional to 320,798,732.56, 442,690,396.68 and 174,117,867.28 is: 240,276,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,798,732.56 : 442,690,396.68 = 174,117,867.28 : x
  2. Step 2: Convert to fraction form
    320,798,732.56/442,690,396.68 = 174,117,867.28/x
  3. Step 3: Cross multiply
    320,798,732.56x = 442,690,396.68 × 174,117,867.28
  4. Step 4: Simplify right side
    320,798,732.56x = 77,080,307,735,258,800
  5. Step 5: Solve for x
    x = 77,080,307,735,258,800/320,798,732.56
  6. Step 6: Final answer
    x = 240,276,222.79

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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.