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Finding the Fourth Proportional to 1,099,206,007.80, 1,648,809,011.70 and 582,645,355.80

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Solution

The fourth proportional to 1,099,206,007.80, 1,648,809,011.70 and 582,645,355.80 is: 873,968,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,206,007.80 : 1,648,809,011.70 = 582,645,355.80 : x
  2. Step 2: Convert to fraction form
    1,099,206,007.80/1,648,809,011.70 = 582,645,355.80/x
  3. Step 3: Cross multiply
    1,099,206,007.80x = 1,648,809,011.70 × 582,645,355.80
  4. Step 4: Simplify right side
    1,099,206,007.80x = 960,670,913,268,192,768
  5. Step 5: Solve for x
    x = 960,670,913,268,192,768/1,099,206,007.80
  6. Step 6: Final answer
    x = 873,968,033.70

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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.