Home / 857,059,958.28-1,285,755,410.70-365,766,057.48

Finding the Fourth Proportional to 857,059,958.28, 1,285,755,410.70 and 365,766,057.48

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Solution

The fourth proportional to 857,059,958.28, 1,285,755,410.70 and 365,766,057.48 is: 548,719,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,059,958.28 : 1,285,755,410.70 = 365,766,057.48 : x
  2. Step 2: Convert to fraction form
    857,059,958.28/1,285,755,410.70 = 365,766,057.48/x
  3. Step 3: Cross multiply
    857,059,958.28x = 1,285,755,410.70 × 365,766,057.48
  4. Step 4: Simplify right side
    857,059,958.28x = 470,285,687,455,317,248
  5. Step 5: Solve for x
    x = 470,285,687,455,317,248/857,059,958.28
  6. Step 6: Final answer
    x = 548,719,704.98

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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.