Home / 1,056,285,145.60-1,584,419,845.20-319,353,625.60

Finding the Fourth Proportional to 1,056,285,145.60, 1,584,419,845.20 and 319,353,625.60

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Solution

The fourth proportional to 1,056,285,145.60, 1,584,419,845.20 and 319,353,625.60 is: 479,028,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,285,145.60 : 1,584,419,845.20 = 319,353,625.60 : x
  2. Step 2: Convert to fraction form
    1,056,285,145.60/1,584,419,845.20 = 319,353,625.60/x
  3. Step 3: Cross multiply
    1,056,285,145.60x = 1,584,419,845.20 × 319,353,625.60
  4. Step 4: Simplify right side
    1,056,285,145.60x = 505,990,222,037,210,816
  5. Step 5: Solve for x
    x = 505,990,222,037,210,816/1,056,285,145.60
  6. Step 6: Final answer
    x = 479,028,058.04

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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.