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Finding the Fourth Proportional to 1,099,332,282.90, 1,648,998,424.35 and 990,493,166.10

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Solution

The fourth proportional to 1,099,332,282.90, 1,648,998,424.35 and 990,493,166.10 is: 1,485,739,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,332,282.90 : 1,648,998,424.35 = 990,493,166.10 : x
  2. Step 2: Convert to fraction form
    1,099,332,282.90/1,648,998,424.35 = 990,493,166.10/x
  3. Step 3: Cross multiply
    1,099,332,282.90x = 1,648,998,424.35 × 990,493,166.10
  4. Step 4: Simplify right side
    1,099,332,282.90x = 1,633,321,670,228,342,784
  5. Step 5: Solve for x
    x = 1,633,321,670,228,342,784/1,099,332,282.90
  6. Step 6: Final answer
    x = 1,485,739,749.15

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Half scale
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Double scale
Find fourth proportional to 1,099,332,283.90, 1,648,998,425.85 and 990,493,167.10
Similar ratio
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1.5x scale

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.