Home / 268,372,753,920.55-402,556,478,022-122,953,803,441.64

Finding the Fourth Proportional to 268,372,753,920.55, 402,556,478,022 and 122,953,803,441.64

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Solution

The fourth proportional to 268,372,753,920.55, 402,556,478,022 and 122,953,803,441.64 is: 184,429,489,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,372,753,920.55 : 402,556,478,022 = 122,953,803,441.64 : x
  2. Step 2: Convert to fraction form
    268,372,753,920.55/402,556,478,022 = 122,953,803,441.64/x
  3. Step 3: Cross multiply
    268,372,753,920.55x = 402,556,478,022 × 122,953,803,441.64
  4. Step 4: Simplify right side
    268,372,753,920.55x = 49,495,850,072,875,863,113,728
  5. Step 5: Solve for x
    x = 49,495,850,072,875,863,113,728/268,372,753,920.55
  6. Step 6: Final answer
    x = 184,429,489,766.79

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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.