Home / 756,165,074,487.20-1,043,510,946,751.10-408,935,353,375.80

Finding the Fourth Proportional to 756,165,074,487.20, 1,043,510,946,751.10 and 408,935,353,375.80

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Solution

The fourth proportional to 756,165,074,487.20, 1,043,510,946,751.10 and 408,935,353,375.80 is: 564,332,487,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,165,074,487.20 : 1,043,510,946,751.10 = 408,935,353,375.80 : x
  2. Step 2: Convert to fraction form
    756,165,074,487.20/1,043,510,946,751.10 = 408,935,353,375.80/x
  3. Step 3: Cross multiply
    756,165,074,487.20x = 1,043,510,946,751.10 × 408,935,353,375.80
  4. Step 4: Simplify right side
    756,165,074,487.20x = 426,728,517,761,176,661,131,264
  5. Step 5: Solve for x
    x = 426,728,517,761,176,661,131,264/756,165,074,487.20
  6. Step 6: Final answer
    x = 564,332,487,916.83

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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.