Home / 609,855,561,914.92-842,808,188,102.32-499,816,347,962.16

Finding the Fourth Proportional to 609,855,561,914.92, 842,808,188,102.32 and 499,816,347,962.16

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Solution

The fourth proportional to 609,855,561,914.92, 842,808,188,102.32 and 499,816,347,962.16 is: 690,736,195,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,855,561,914.92 : 842,808,188,102.32 = 499,816,347,962.16 : x
  2. Step 2: Convert to fraction form
    609,855,561,914.92/842,808,188,102.32 = 499,816,347,962.16/x
  3. Step 3: Cross multiply
    609,855,561,914.92x = 842,808,188,102.32 × 499,816,347,962.16
  4. Step 4: Simplify right side
    609,855,561,914.92x = 421,249,310,609,906,734,202,880
  5. Step 5: Solve for x
    x = 421,249,310,609,906,734,202,880/609,855,561,914.92
  6. Step 6: Final answer
    x = 690,736,195,447.99

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.