Home / 756,165,074,553.05-1,043,510,946,842-408,935,353,441.64

Finding the Fourth Proportional to 756,165,074,553.05, 1,043,510,946,842 and 408,935,353,441.64

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Solution

The fourth proportional to 756,165,074,553.05, 1,043,510,946,842 and 408,935,353,441.64 is: 564,332,488,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,165,074,553.05 : 1,043,510,946,842 = 408,935,353,441.64 : x
  2. Step 2: Convert to fraction form
    756,165,074,553.05/1,043,510,946,842 = 408,935,353,441.64/x
  3. Step 3: Cross multiply
    756,165,074,553.05x = 1,043,510,946,842 × 408,935,353,441.64
  4. Step 4: Simplify right side
    756,165,074,553.05x = 426,728,517,867,053,711,884,288
  5. Step 5: Solve for x
    x = 426,728,517,867,053,711,884,288/756,165,074,553.05
  6. Step 6: Final answer
    x = 564,332,488,007.70

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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.