Home / 609,855,561,908.92-842,808,188,094.04-499,816,347,956.16

Finding the Fourth Proportional to 609,855,561,908.92, 842,808,188,094.04 and 499,816,347,956.16

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Solution

The fourth proportional to 609,855,561,908.92, 842,808,188,094.04 and 499,816,347,956.16 is: 690,736,195,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,855,561,908.92 : 842,808,188,094.04 = 499,816,347,956.16 : x
  2. Step 2: Convert to fraction form
    609,855,561,908.92/842,808,188,094.04 = 499,816,347,956.16/x
  3. Step 3: Cross multiply
    609,855,561,908.92x = 842,808,188,094.04 × 499,816,347,956.16
  4. Step 4: Simplify right side
    609,855,561,908.92x = 421,249,310,600,711,410,548,736
  5. Step 5: Solve for x
    x = 421,249,310,600,711,410,548,736/609,855,561,908.92
  6. Step 6: Final answer
    x = 690,736,195,439.71

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Double scale
Find fourth proportional to 609,855,561,909.92, 842,808,188,095.42 and 499,816,347,957.16
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1.5x scale

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.