Home / 331,361,913-497,114,617.68-126,889,995.54

Finding the Fourth Proportional to 331,361,913, 497,114,617.68 and 126,889,995.54

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Solution

The fourth proportional to 331,361,913, 497,114,617.68 and 126,889,995.54 is: 190,362,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,361,913 : 497,114,617.68 = 126,889,995.54 : x
  2. Step 2: Convert to fraction form
    331,361,913/497,114,617.68 = 126,889,995.54/x
  3. Step 3: Cross multiply
    331,361,913x = 497,114,617.68 × 126,889,995.54
  4. Step 4: Simplify right side
    331,361,913x = 63,078,871,620,284,008
  5. Step 5: Solve for x
    x = 63,078,871,620,284,008/331,361,913
  6. Step 6: Final answer
    x = 190,362,468.18

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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.