Home / 494,169,903.47-682,014,944.79-285,325,695.51

Finding the Fourth Proportional to 494,169,903.47, 682,014,944.79 and 285,325,695.51

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Solution

The fourth proportional to 494,169,903.47, 682,014,944.79 and 285,325,695.51 is: 393,784,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,169,903.47 : 682,014,944.79 = 285,325,695.51 : x
  2. Step 2: Convert to fraction form
    494,169,903.47/682,014,944.79 = 285,325,695.51/x
  3. Step 3: Cross multiply
    494,169,903.47x = 682,014,944.79 × 285,325,695.51
  4. Step 4: Simplify right side
    494,169,903.47x = 194,596,388,470,420,992
  5. Step 5: Solve for x
    x = 194,596,388,470,420,992/494,169,903.47
  6. Step 6: Final answer
    x = 393,784,378.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.