Home / 268,372,753,904.57-402,556,477,997.85-122,953,803,425.68

Finding the Fourth Proportional to 268,372,753,904.57, 402,556,477,997.85 and 122,953,803,425.68

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Solution

The fourth proportional to 268,372,753,904.57, 402,556,477,997.85 and 122,953,803,425.68 is: 184,429,489,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,372,753,904.57 : 402,556,477,997.85 = 122,953,803,425.68 : x
  2. Step 2: Convert to fraction form
    268,372,753,904.57/402,556,477,997.85 = 122,953,803,425.68/x
  3. Step 3: Cross multiply
    268,372,753,904.57x = 402,556,477,997.85 × 122,953,803,425.68
  4. Step 4: Simplify right side
    268,372,753,904.57x = 49,495,850,063,481,721,061,376
  5. Step 5: Solve for x
    x = 49,495,850,063,481,721,061,376/268,372,753,904.57
  6. Step 6: Final answer
    x = 184,429,489,742.77

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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.