Home / 268,372,753,904.60-402,556,477,997.91-122,953,803,425.71

Finding the Fourth Proportional to 268,372,753,904.60, 402,556,477,997.91 and 122,953,803,425.71

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Solution

The fourth proportional to 268,372,753,904.60, 402,556,477,997.91 and 122,953,803,425.71 is: 184,429,489,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,372,753,904.60 : 402,556,477,997.91 = 122,953,803,425.71 : x
  2. Step 2: Convert to fraction form
    268,372,753,904.60/402,556,477,997.91 = 122,953,803,425.71/x
  3. Step 3: Cross multiply
    268,372,753,904.60x = 402,556,477,997.91 × 122,953,803,425.71
  4. Step 4: Simplify right side
    268,372,753,904.60x = 49,495,850,063,501,174,243,328
  5. Step 5: Solve for x
    x = 49,495,850,063,501,174,243,328/268,372,753,904.60
  6. Step 6: Final answer
    x = 184,429,489,742.82

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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.