Home / 490,999,846.62-736,637,944.59-214,675,327.20

Finding the Fourth Proportional to 490,999,846.62, 736,637,944.59 and 214,675,327.20

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Solution

The fourth proportional to 490,999,846.62, 736,637,944.59 and 214,675,327.20 is: 322,073,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,999,846.62 : 736,637,944.59 = 214,675,327.20 : x
  2. Step 2: Convert to fraction form
    490,999,846.62/736,637,944.59 = 214,675,327.20/x
  3. Step 3: Cross multiply
    490,999,846.62x = 736,637,944.59 × 214,675,327.20
  4. Step 4: Simplify right side
    490,999,846.62x = 158,137,991,782,793,728
  5. Step 5: Solve for x
    x = 158,137,991,782,793,728/490,999,846.62
  6. Step 6: Final answer
    x = 322,073,403.63

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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.