Home / 212,306,861,245.43-318,461,482,394.62-70,815,894,481.34

Finding the Fourth Proportional to 212,306,861,245.43, 318,461,482,394.62 and 70,815,894,481.34

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Solution

The fourth proportional to 212,306,861,245.43, 318,461,482,394.62 and 70,815,894,481.34 is: 106,224,238,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,306,861,245.43 : 318,461,482,394.62 = 70,815,894,481.34 : x
  2. Step 2: Convert to fraction form
    212,306,861,245.43/318,461,482,394.62 = 70,815,894,481.34/x
  3. Step 3: Cross multiply
    212,306,861,245.43x = 318,461,482,394.62 × 70,815,894,481.34
  4. Step 4: Simplify right side
    212,306,861,245.43x = 22,552,134,733,626,936,918,016
  5. Step 5: Solve for x
    x = 22,552,134,733,626,936,918,016/212,306,861,245.43
  6. Step 6: Final answer
    x = 106,224,238,827.38

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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.