Home / 319,819,994,269.47-479,729,962,272.96-140,745,981,010.32

Finding the Fourth Proportional to 319,819,994,269.47, 479,729,962,272.96 and 140,745,981,010.32

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Solution

The fourth proportional to 319,819,994,269.47, 479,729,962,272.96 and 140,745,981,010.32 is: 211,118,958,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,819,994,269.47 : 479,729,962,272.96 = 140,745,981,010.32 : x
  2. Step 2: Convert to fraction form
    319,819,994,269.47/479,729,962,272.96 = 140,745,981,010.32/x
  3. Step 3: Cross multiply
    319,819,994,269.47x = 479,729,962,272.96 × 140,745,981,010.32
  4. Step 4: Simplify right side
    319,819,994,269.47x = 67,520,064,160,151,568,908,288
  5. Step 5: Solve for x
    x = 67,520,064,160,151,568,908,288/319,819,994,269.47
  6. Step 6: Final answer
    x = 211,118,958,695.44

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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.