Home / 391,910,444.56-587,997,818.52-173,530,969.36

Finding the Fourth Proportional to 391,910,444.56, 587,997,818.52 and 173,530,969.36

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Solution

The fourth proportional to 391,910,444.56, 587,997,818.52 and 173,530,969.36 is: 260,354,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,910,444.56 : 587,997,818.52 = 173,530,969.36 : x
  2. Step 2: Convert to fraction form
    391,910,444.56/587,997,818.52 = 173,530,969.36/x
  3. Step 3: Cross multiply
    391,910,444.56x = 587,997,818.52 × 173,530,969.36
  4. Step 4: Simplify right side
    391,910,444.56x = 102,035,831,429,340,960
  5. Step 5: Solve for x
    x = 102,035,831,429,340,960/391,910,444.56
  6. Step 6: Final answer
    x = 260,354,968.45

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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.