Home / 792,178,732.90-1,188,268,099.35-758,591,661.70

Finding the Fourth Proportional to 792,178,732.90, 1,188,268,099.35 and 758,591,661.70

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Solution

The fourth proportional to 792,178,732.90, 1,188,268,099.35 and 758,591,661.70 is: 1,137,887,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,178,732.90 : 1,188,268,099.35 = 758,591,661.70 : x
  2. Step 2: Convert to fraction form
    792,178,732.90/1,188,268,099.35 = 758,591,661.70/x
  3. Step 3: Cross multiply
    792,178,732.90x = 1,188,268,099.35 × 758,591,661.70
  4. Step 4: Simplify right side
    792,178,732.90x = 901,410,272,031,017,216
  5. Step 5: Solve for x
    x = 901,410,272,031,017,216/792,178,732.90
  6. Step 6: Final answer
    x = 1,137,887,492.55

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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.