Home / 792,004,628.60-1,188,006,942.90-628,745,953.40

Finding the Fourth Proportional to 792,004,628.60, 1,188,006,942.90 and 628,745,953.40

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Solution

The fourth proportional to 792,004,628.60, 1,188,006,942.90 and 628,745,953.40 is: 943,118,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,004,628.60 : 1,188,006,942.90 = 628,745,953.40 : x
  2. Step 2: Convert to fraction form
    792,004,628.60/1,188,006,942.90 = 628,745,953.40/x
  3. Step 3: Cross multiply
    792,004,628.60x = 1,188,006,942.90 × 628,745,953.40
  4. Step 4: Simplify right side
    792,004,628.60x = 746,954,557,959,479,936
  5. Step 5: Solve for x
    x = 746,954,557,959,479,936/792,004,628.60
  6. Step 6: Final answer
    x = 943,118,930.10

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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.