Home / 609,855,561,915.92-842,808,188,103.70-499,816,347,963.16

Finding the Fourth Proportional to 609,855,561,915.92, 842,808,188,103.70 and 499,816,347,963.16

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Solution

The fourth proportional to 609,855,561,915.92, 842,808,188,103.70 and 499,816,347,963.16 is: 690,736,195,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,855,561,915.92 : 842,808,188,103.70 = 499,816,347,963.16 : x
  2. Step 2: Convert to fraction form
    609,855,561,915.92/842,808,188,103.70 = 499,816,347,963.16/x
  3. Step 3: Cross multiply
    609,855,561,915.92x = 842,808,188,103.70 × 499,816,347,963.16
  4. Step 4: Simplify right side
    609,855,561,915.92x = 421,249,310,611,439,299,330,048
  5. Step 5: Solve for x
    x = 421,249,310,611,439,299,330,048/609,855,561,915.92
  6. Step 6: Final answer
    x = 690,736,195,449.37

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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.