Home / 792,213,856.20-1,188,314,879.40-239,515,216.20

Finding the Fourth Proportional to 792,213,856.20, 1,188,314,879.40 and 239,515,216.20

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Solution

The fourth proportional to 792,213,856.20, 1,188,314,879.40 and 239,515,216.20 is: 359,271,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,213,856.20 : 1,188,314,879.40 = 239,515,216.20 : x
  2. Step 2: Convert to fraction form
    792,213,856.20/1,188,314,879.40 = 239,515,216.20/x
  3. Step 3: Cross multiply
    792,213,856.20x = 1,188,314,879.40 × 239,515,216.20
  4. Step 4: Simplify right side
    792,213,856.20x = 284,619,495,253,167,936
  5. Step 5: Solve for x
    x = 284,619,495,253,167,936/792,213,856.20
  6. Step 6: Final answer
    x = 359,271,039.03

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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.