Home / 743,156,020.80-1,114,698,601.80-251,821,101.60

Finding the Fourth Proportional to 743,156,020.80, 1,114,698,601.80 and 251,821,101.60

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Solution

The fourth proportional to 743,156,020.80, 1,114,698,601.80 and 251,821,101.60 is: 377,719,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,156,020.80 : 1,114,698,601.80 = 251,821,101.60 : x
  2. Step 2: Convert to fraction form
    743,156,020.80/1,114,698,601.80 = 251,821,101.60/x
  3. Step 3: Cross multiply
    743,156,020.80x = 1,114,698,601.80 × 251,821,101.60
  4. Step 4: Simplify right side
    743,156,020.80x = 280,704,629,857,255,712
  5. Step 5: Solve for x
    x = 280,704,629,857,255,712/743,156,020.80
  6. Step 6: Final answer
    x = 377,719,647.02

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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.