Home / 380,600,385.30-570,900,577.95-335,250,753.30

Finding the Fourth Proportional to 380,600,385.30, 570,900,577.95 and 335,250,753.30

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Solution

The fourth proportional to 380,600,385.30, 570,900,577.95 and 335,250,753.30 is: 502,876,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,600,385.30 : 570,900,577.95 = 335,250,753.30 : x
  2. Step 2: Convert to fraction form
    380,600,385.30/570,900,577.95 = 335,250,753.30/x
  3. Step 3: Cross multiply
    380,600,385.30x = 570,900,577.95 × 335,250,753.30
  4. Step 4: Simplify right side
    380,600,385.30x = 191,394,848,817,142,880
  5. Step 5: Solve for x
    x = 191,394,848,817,142,880/380,600,385.30
  6. Step 6: Final answer
    x = 502,876,129.95

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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.