Home / 604,747,015.20-907,288,484.40-259,865,863.20

Finding the Fourth Proportional to 604,747,015.20, 907,288,484.40 and 259,865,863.20

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Solution

The fourth proportional to 604,747,015.20, 907,288,484.40 and 259,865,863.20 is: 389,870,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,747,015.20 : 907,288,484.40 = 259,865,863.20 : x
  2. Step 2: Convert to fraction form
    604,747,015.20/907,288,484.40 = 259,865,863.20/x
  3. Step 3: Cross multiply
    604,747,015.20x = 907,288,484.40 × 259,865,863.20
  4. Step 4: Simplify right side
    604,747,015.20x = 235,773,305,170,025,728
  5. Step 5: Solve for x
    x = 235,773,305,170,025,728/604,747,015.20
  6. Step 6: Final answer
    x = 389,870,969.59

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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.