Home / 386,652,087.68-533,591,211.60-210,451,495.52

Finding the Fourth Proportional to 386,652,087.68, 533,591,211.60 and 210,451,495.52

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Solution

The fourth proportional to 386,652,087.68, 533,591,211.60 and 210,451,495.52 is: 290,429,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,652,087.68 : 533,591,211.60 = 210,451,495.52 : x
  2. Step 2: Convert to fraction form
    386,652,087.68/533,591,211.60 = 210,451,495.52/x
  3. Step 3: Cross multiply
    386,652,087.68x = 533,591,211.60 × 210,451,495.52
  4. Step 4: Simplify right side
    386,652,087.68x = 112,295,068,477,548,784
  5. Step 5: Solve for x
    x = 112,295,068,477,548,784/386,652,087.68
  6. Step 6: Final answer
    x = 290,429,230.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.