Home / 347,848,624.80-521,772,937.20-330,842,512.80

Finding the Fourth Proportional to 347,848,624.80, 521,772,937.20 and 330,842,512.80

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Solution

The fourth proportional to 347,848,624.80, 521,772,937.20 and 330,842,512.80 is: 496,263,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,848,624.80 : 521,772,937.20 = 330,842,512.80 : x
  2. Step 2: Convert to fraction form
    347,848,624.80/521,772,937.20 = 330,842,512.80/x
  3. Step 3: Cross multiply
    347,848,624.80x = 521,772,937.20 × 330,842,512.80
  4. Step 4: Simplify right side
    347,848,624.80x = 172,624,669,654,284,608
  5. Step 5: Solve for x
    x = 172,624,669,654,284,608/347,848,624.80
  6. Step 6: Final answer
    x = 496,263,769.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.