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Finding the Fourth Proportional to 998,487,166.60, 1,497,730,749.90 and 969,789,352.60

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Solution

The fourth proportional to 998,487,166.60, 1,497,730,749.90 and 969,789,352.60 is: 1,454,684,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,487,166.60 : 1,497,730,749.90 = 969,789,352.60 : x
  2. Step 2: Convert to fraction form
    998,487,166.60/1,497,730,749.90 = 969,789,352.60/x
  3. Step 3: Cross multiply
    998,487,166.60x = 1,497,730,749.90 × 969,789,352.60
  4. Step 4: Simplify right side
    998,487,166.60x = 1,452,483,334,314,633,728
  5. Step 5: Solve for x
    x = 1,452,483,334,314,633,728/998,487,166.60
  6. Step 6: Final answer
    x = 1,454,684,028.90

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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.