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Finding the Fourth Proportional to 1,796,953,017.56, 2,479,923,485.76 and 993,163,223.60

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Solution

The fourth proportional to 1,796,953,017.56, 2,479,923,485.76 and 993,163,223.60 is: 1,370,636,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,953,017.56 : 2,479,923,485.76 = 993,163,223.60 : x
  2. Step 2: Convert to fraction form
    1,796,953,017.56/2,479,923,485.76 = 993,163,223.60/x
  3. Step 3: Cross multiply
    1,796,953,017.56x = 2,479,923,485.76 × 993,163,223.60
  4. Step 4: Simplify right side
    1,796,953,017.56x = 2,462,968,803,398,750,720
  5. Step 5: Solve for x
    x = 2,462,968,803,398,750,720/1,796,953,017.56
  6. Step 6: Final answer
    x = 1,370,636,170.97

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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.