Home / 293,577,200.40-440,365,800.60-196,831,318.80

Finding the Fourth Proportional to 293,577,200.40, 440,365,800.60 and 196,831,318.80

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Solution

The fourth proportional to 293,577,200.40, 440,365,800.60 and 196,831,318.80 is: 295,246,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,577,200.40 : 440,365,800.60 = 196,831,318.80 : x
  2. Step 2: Convert to fraction form
    293,577,200.40/440,365,800.60 = 196,831,318.80/x
  3. Step 3: Cross multiply
    293,577,200.40x = 440,365,800.60 × 196,831,318.80
  4. Step 4: Simplify right side
    293,577,200.40x = 86,677,781,286,515,840
  5. Step 5: Solve for x
    x = 86,677,781,286,515,840/293,577,200.40
  6. Step 6: Final answer
    x = 295,246,978.20

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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.