Home / 404,382,572.70-606,573,859.05-220,716,563.10

Finding the Fourth Proportional to 404,382,572.70, 606,573,859.05 and 220,716,563.10

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Solution

The fourth proportional to 404,382,572.70, 606,573,859.05 and 220,716,563.10 is: 331,074,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,382,572.70 : 606,573,859.05 = 220,716,563.10 : x
  2. Step 2: Convert to fraction form
    404,382,572.70/606,573,859.05 = 220,716,563.10/x
  3. Step 3: Cross multiply
    404,382,572.70x = 606,573,859.05 × 220,716,563.10
  4. Step 4: Simplify right side
    404,382,572.70x = 133,880,897,435,819,824
  5. Step 5: Solve for x
    x = 133,880,897,435,819,824/404,382,572.70
  6. Step 6: Final answer
    x = 331,074,844.65

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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.