Home / 297,270,000.40-445,905,000.60-254,223,279.40

Finding the Fourth Proportional to 297,270,000.40, 445,905,000.60 and 254,223,279.40

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Solution

The fourth proportional to 297,270,000.40, 445,905,000.60 and 254,223,279.40 is: 381,334,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,270,000.40 : 445,905,000.60 = 254,223,279.40 : x
  2. Step 2: Convert to fraction form
    297,270,000.40/445,905,000.60 = 254,223,279.40/x
  3. Step 3: Cross multiply
    297,270,000.40x = 445,905,000.60 × 254,223,279.40
  4. Step 4: Simplify right side
    297,270,000.40x = 113,359,431,553,390,976
  5. Step 5: Solve for x
    x = 113,359,431,553,390,976/297,270,000.40
  6. Step 6: Final answer
    x = 381,334,919.10

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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.