Home / 641,597,464.62-885,380,792.67-348,235,734.06

Finding the Fourth Proportional to 641,597,464.62, 885,380,792.67 and 348,235,734.06

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Solution

The fourth proportional to 641,597,464.62, 885,380,792.67 and 348,235,734.06 is: 480,552,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,597,464.62 : 885,380,792.67 = 348,235,734.06 : x
  2. Step 2: Convert to fraction form
    641,597,464.62/885,380,792.67 = 348,235,734.06/x
  3. Step 3: Cross multiply
    641,597,464.62x = 885,380,792.67 × 348,235,734.06
  4. Step 4: Simplify right side
    641,597,464.62x = 308,321,230,258,062,080
  5. Step 5: Solve for x
    x = 308,321,230,258,062,080/641,597,464.62
  6. Step 6: Final answer
    x = 480,552,444.89

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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.