Home / 808,218,000.55-1,212,327,000.83-349,052,976.55

Finding the Fourth Proportional to 808,218,000.55, 1,212,327,000.83 and 349,052,976.55

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Solution

The fourth proportional to 808,218,000.55, 1,212,327,000.83 and 349,052,976.55 is: 523,579,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,218,000.55 : 1,212,327,000.83 = 349,052,976.55 : x
  2. Step 2: Convert to fraction form
    808,218,000.55/1,212,327,000.83 = 349,052,976.55/x
  3. Step 3: Cross multiply
    808,218,000.55x = 1,212,327,000.83 × 349,052,976.55
  4. Step 4: Simplify right side
    808,218,000.55x = 423,166,348,191,645,824
  5. Step 5: Solve for x
    x = 423,166,348,191,645,824/808,218,000.55
  6. Step 6: Final answer
    x = 523,579,464.83

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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.