Home / 492,918,335.84-738,203,765.31-285,219,027.85

Finding the Fourth Proportional to 492,918,335.84, 738,203,765.31 and 285,219,027.85

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Solution

The fourth proportional to 492,918,335.84, 738,203,765.31 and 285,219,027.85 is: 427,149,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,918,335.84 : 738,203,765.31 = 285,219,027.85 : x
  2. Step 2: Convert to fraction form
    492,918,335.84/738,203,765.31 = 285,219,027.85/x
  3. Step 3: Cross multiply
    492,918,335.84x = 738,203,765.31 × 285,219,027.85
  4. Step 4: Simplify right side
    492,918,335.84x = 210,549,760,296,927,744
  5. Step 5: Solve for x
    x = 210,549,760,296,927,744/492,918,335.84
  6. Step 6: Final answer
    x = 427,149,377.47

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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.