Home / 336,025,907.80-504,038,861.70-278,630,279.80

Finding the Fourth Proportional to 336,025,907.80, 504,038,861.70 and 278,630,279.80

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Solution

The fourth proportional to 336,025,907.80, 504,038,861.70 and 278,630,279.80 is: 417,945,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,025,907.80 : 504,038,861.70 = 278,630,279.80 : x
  2. Step 2: Convert to fraction form
    336,025,907.80/504,038,861.70 = 278,630,279.80/x
  3. Step 3: Cross multiply
    336,025,907.80x = 504,038,861.70 × 278,630,279.80
  4. Step 4: Simplify right side
    336,025,907.80x = 140,440,489,065,544,512
  5. Step 5: Solve for x
    x = 140,440,489,065,544,512/336,025,907.80
  6. Step 6: Final answer
    x = 417,945,419.70

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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.