Home / 756,165,074,486.60-1,043,510,946,750.20-408,935,353,375.20

Finding the Fourth Proportional to 756,165,074,486.60, 1,043,510,946,750.20 and 408,935,353,375.20

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Solution

The fourth proportional to 756,165,074,486.60, 1,043,510,946,750.20 and 408,935,353,375.20 is: 564,332,487,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,165,074,486.60 : 1,043,510,946,750.20 = 408,935,353,375.20 : x
  2. Step 2: Convert to fraction form
    756,165,074,486.60/1,043,510,946,750.20 = 408,935,353,375.20/x
  3. Step 3: Cross multiply
    756,165,074,486.60x = 1,043,510,946,750.20 × 408,935,353,375.20
  4. Step 4: Simplify right side
    756,165,074,486.60x = 426,728,517,760,182,510,419,968
  5. Step 5: Solve for x
    x = 426,728,517,760,182,510,419,968/756,165,074,486.60
  6. Step 6: Final answer
    x = 564,332,487,915.96

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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.