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Finding the Fourth Proportional to 974,313,355.80, 1,461,470,033.70 and 664,376,964.60

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Solution

The fourth proportional to 974,313,355.80, 1,461,470,033.70 and 664,376,964.60 is: 996,565,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,313,355.80 : 1,461,470,033.70 = 664,376,964.60 : x
  2. Step 2: Convert to fraction form
    974,313,355.80/1,461,470,033.70 = 664,376,964.60/x
  3. Step 3: Cross multiply
    974,313,355.80x = 1,461,470,033.70 × 664,376,964.60
  4. Step 4: Simplify right side
    974,313,355.80x = 970,967,024,843,465,728
  5. Step 5: Solve for x
    x = 970,967,024,843,465,728/974,313,355.80
  6. Step 6: Final answer
    x = 996,565,446.90

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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.