Home / 423,992,173.82-585,068,209.79-245,340,425.85

Finding the Fourth Proportional to 423,992,173.82, 585,068,209.79 and 245,340,425.85

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Solution

The fourth proportional to 423,992,173.82, 585,068,209.79 and 245,340,425.85 is: 338,546,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,992,173.82 : 585,068,209.79 = 245,340,425.85 : x
  2. Step 2: Convert to fraction form
    423,992,173.82/585,068,209.79 = 245,340,425.85/x
  3. Step 3: Cross multiply
    423,992,173.82x = 585,068,209.79 × 245,340,425.85
  4. Step 4: Simplify right side
    423,992,173.82x = 143,540,883,741,789,088
  5. Step 5: Solve for x
    x = 143,540,883,741,789,088/423,992,173.82
  6. Step 6: Final answer
    x = 338,546,069.02

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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.