Home / 788,100,161.60-1,182,262,216.80-242,784,833.60

Finding the Fourth Proportional to 788,100,161.60, 1,182,262,216.80 and 242,784,833.60

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Solution

The fourth proportional to 788,100,161.60, 1,182,262,216.80 and 242,784,833.60 is: 364,211,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,100,161.60 : 1,182,262,216.80 = 242,784,833.60 : x
  2. Step 2: Convert to fraction form
    788,100,161.60/1,182,262,216.80 = 242,784,833.60/x
  3. Step 3: Cross multiply
    788,100,161.60x = 1,182,262,216.80 × 242,784,833.60
  4. Step 4: Simplify right side
    788,100,161.60x = 287,035,335,577,355,104
  5. Step 5: Solve for x
    x = 287,035,335,577,355,104/788,100,161.60
  6. Step 6: Final answer
    x = 364,211,745.62

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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.