Home / 707,880,375.63-1,061,823,922.11-216,592,861.68

Finding the Fourth Proportional to 707,880,375.63, 1,061,823,922.11 and 216,592,861.68

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Solution

The fourth proportional to 707,880,375.63, 1,061,823,922.11 and 216,592,861.68 is: 324,890,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,880,375.63 : 1,061,823,922.11 = 216,592,861.68 : x
  2. Step 2: Convert to fraction form
    707,880,375.63/1,061,823,922.11 = 216,592,861.68/x
  3. Step 3: Cross multiply
    707,880,375.63x = 1,061,823,922.11 × 216,592,861.68
  4. Step 4: Simplify right side
    707,880,375.63x = 229,983,481,890,086,336
  5. Step 5: Solve for x
    x = 229,983,481,890,086,336/707,880,375.63
  6. Step 6: Final answer
    x = 324,890,320.18

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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.