Home / 422,112,066.60-633,168,099.90-260,868,930.60

Finding the Fourth Proportional to 422,112,066.60, 633,168,099.90 and 260,868,930.60

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Solution

The fourth proportional to 422,112,066.60, 633,168,099.90 and 260,868,930.60 is: 391,303,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,112,066.60 : 633,168,099.90 = 260,868,930.60 : x
  2. Step 2: Convert to fraction form
    422,112,066.60/633,168,099.90 = 260,868,930.60/x
  3. Step 3: Cross multiply
    422,112,066.60x = 633,168,099.90 × 260,868,930.60
  4. Step 4: Simplify right side
    422,112,066.60x = 165,173,885,110,946,944
  5. Step 5: Solve for x
    x = 165,173,885,110,946,944/422,112,066.60
  6. Step 6: Final answer
    x = 391,303,395.90

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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.