Home / 792,004,617.60-1,188,006,926.40-628,745,942.40

Finding the Fourth Proportional to 792,004,617.60, 1,188,006,926.40 and 628,745,942.40

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Solution

The fourth proportional to 792,004,617.60, 1,188,006,926.40 and 628,745,942.40 is: 943,118,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,004,617.60 : 1,188,006,926.40 = 628,745,942.40 : x
  2. Step 2: Convert to fraction form
    792,004,617.60/1,188,006,926.40 = 628,745,942.40/x
  3. Step 3: Cross multiply
    792,004,617.60x = 1,188,006,926.40 × 628,745,942.40
  4. Step 4: Simplify right side
    792,004,617.60x = 746,954,534,517,095,424
  5. Step 5: Solve for x
    x = 746,954,534,517,095,424/792,004,617.60
  6. Step 6: Final answer
    x = 943,118,913.60

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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.