Home / 489,644,976.40-734,467,464.60-334,676,780.80

Finding the Fourth Proportional to 489,644,976.40, 734,467,464.60 and 334,676,780.80

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Solution

The fourth proportional to 489,644,976.40, 734,467,464.60 and 334,676,780.80 is: 502,015,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,644,976.40 : 734,467,464.60 = 334,676,780.80 : x
  2. Step 2: Convert to fraction form
    489,644,976.40/734,467,464.60 = 334,676,780.80/x
  3. Step 3: Cross multiply
    489,644,976.40x = 734,467,464.60 × 334,676,780.80
  4. Step 4: Simplify right side
    489,644,976.40x = 245,809,206,654,665,984
  5. Step 5: Solve for x
    x = 245,809,206,654,665,984/489,644,976.40
  6. Step 6: Final answer
    x = 502,015,171.20

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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.