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Finding the Fourth Proportional to 1,797,947,217.92, 2,696,924,296.32 and 693,072,373.76

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Solution

The fourth proportional to 1,797,947,217.92, 2,696,924,296.32 and 693,072,373.76 is: 1,039,609,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,947,217.92 : 2,696,924,296.32 = 693,072,373.76 : x
  2. Step 2: Convert to fraction form
    1,797,947,217.92/2,696,924,296.32 = 693,072,373.76/x
  3. Step 3: Cross multiply
    1,797,947,217.92x = 2,696,924,296.32 × 693,072,373.76
  4. Step 4: Simplify right side
    1,797,947,217.92x = 1,869,163,723,901,520,128
  5. Step 5: Solve for x
    x = 1,869,163,723,901,520,128/1,797,947,217.92
  6. Step 6: Final answer
    x = 1,039,609,898.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.