Home / 984,169,992.40-1,476,143,014.20-257,232,187.60

Finding the Fourth Proportional to 984,169,992.40, 1,476,143,014.20 and 257,232,187.60

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Solution

The fourth proportional to 984,169,992.40, 1,476,143,014.20 and 257,232,187.60 is: 385,819,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,169,992.40 : 1,476,143,014.20 = 257,232,187.60 : x
  2. Step 2: Convert to fraction form
    984,169,992.40/1,476,143,014.20 = 257,232,187.60/x
  3. Step 3: Cross multiply
    984,169,992.40x = 1,476,143,014.20 × 257,232,187.60
  4. Step 4: Simplify right side
    984,169,992.40x = 379,711,496,753,123,840
  5. Step 5: Solve for x
    x = 379,711,496,753,123,840/984,169,992.40
  6. Step 6: Final answer
    x = 385,819,014.69

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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.