Home / 319,819,994,273.97-479,729,962,279.71-140,745,981,014.82

Finding the Fourth Proportional to 319,819,994,273.97, 479,729,962,279.71 and 140,745,981,014.82

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Solution

The fourth proportional to 319,819,994,273.97, 479,729,962,279.71 and 140,745,981,014.82 is: 211,118,958,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,819,994,273.97 : 479,729,962,279.71 = 140,745,981,014.82 : x
  2. Step 2: Convert to fraction form
    319,819,994,273.97/479,729,962,279.71 = 140,745,981,014.82/x
  3. Step 3: Cross multiply
    319,819,994,273.97x = 479,729,962,279.71 × 140,745,981,014.82
  4. Step 4: Simplify right side
    319,819,994,273.97x = 67,520,064,163,260,387,033,088
  5. Step 5: Solve for x
    x = 67,520,064,163,260,387,033,088/319,819,994,273.97
  6. Step 6: Final answer
    x = 211,118,958,702.19

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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.