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Finding the Fourth Proportional to 297,342,458.40, 446,013,687.60 and 220,814,954.40

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Solution

The fourth proportional to 297,342,458.40, 446,013,687.60 and 220,814,954.40 is: 331,222,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,342,458.40 : 446,013,687.60 = 220,814,954.40 : x
  2. Step 2: Convert to fraction form
    297,342,458.40/446,013,687.60 = 220,814,954.40/x
  3. Step 3: Cross multiply
    297,342,458.40x = 446,013,687.60 × 220,814,954.40
  4. Step 4: Simplify right side
    297,342,458.40x = 98,486,492,089,169,856
  5. Step 5: Solve for x
    x = 98,486,492,089,169,856/297,342,458.40
  6. Step 6: Final answer
    x = 331,222,431.60

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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.