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Finding the Fourth Proportional to 1,099,332,275.40, 1,648,998,413.10 and 990,493,158.60

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Solution

The fourth proportional to 1,099,332,275.40, 1,648,998,413.10 and 990,493,158.60 is: 1,485,739,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,332,275.40 : 1,648,998,413.10 = 990,493,158.60 : x
  2. Step 2: Convert to fraction form
    1,099,332,275.40/1,648,998,413.10 = 990,493,158.60/x
  3. Step 3: Cross multiply
    1,099,332,275.40x = 1,648,998,413.10 × 990,493,158.60
  4. Step 4: Simplify right side
    1,099,332,275.40x = 1,633,321,646,717,806,592
  5. Step 5: Solve for x
    x = 1,633,321,646,717,806,592/1,099,332,275.40
  6. Step 6: Final answer
    x = 1,485,739,737.90

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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.