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Finding the Fourth Proportional to 1,796,952,990.02, 2,479,923,447.80 and 993,163,196.03

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Solution

The fourth proportional to 1,796,952,990.02, 2,479,923,447.80 and 993,163,196.03 is: 1,370,636,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,952,990.02 : 2,479,923,447.80 = 993,163,196.03 : x
  2. Step 2: Convert to fraction form
    1,796,952,990.02/2,479,923,447.80 = 993,163,196.03/x
  3. Step 3: Cross multiply
    1,796,952,990.02x = 2,479,923,447.80 × 993,163,196.03
  4. Step 4: Simplify right side
    1,796,952,990.02x = 2,462,968,697,309,419,520
  5. Step 5: Solve for x
    x = 2,462,968,697,309,419,520/1,796,952,990.02
  6. Step 6: Final answer
    x = 1,370,636,132.94

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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.