Home / 297,217,211.60-445,400,664.60-218,882,808.20

Finding the Fourth Proportional to 297,217,211.60, 445,400,664.60 and 218,882,808.20

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Solution

The fourth proportional to 297,217,211.60, 445,400,664.60 and 218,882,808.20 is: 328,011,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,217,211.60 : 445,400,664.60 = 218,882,808.20 : x
  2. Step 2: Convert to fraction form
    297,217,211.60/445,400,664.60 = 218,882,808.20/x
  3. Step 3: Cross multiply
    297,217,211.60x = 445,400,664.60 × 218,882,808.20
  4. Step 4: Simplify right side
    297,217,211.60x = 97,490,548,241,794,336
  5. Step 5: Solve for x
    x = 97,490,548,241,794,336/297,217,211.60
  6. Step 6: Final answer
    x = 328,011,112.54

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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.