Home / 1,008,085,682.35-1,510,427,912.33-489,399,266.35

Finding the Fourth Proportional to 1,008,085,682.35, 1,510,427,912.33 and 489,399,266.35

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Solution

The fourth proportional to 1,008,085,682.35, 1,510,427,912.33 and 489,399,266.35 is: 733,273,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,085,682.35 : 1,510,427,912.33 = 489,399,266.35 : x
  2. Step 2: Convert to fraction form
    1,008,085,682.35/1,510,427,912.33 = 489,399,266.35/x
  3. Step 3: Cross multiply
    1,008,085,682.35x = 1,510,427,912.33 × 489,399,266.35
  4. Step 4: Simplify right side
    1,008,085,682.35x = 739,202,312,166,417,152
  5. Step 5: Solve for x
    x = 739,202,312,166,417,152/1,008,085,682.35
  6. Step 6: Final answer
    x = 733,273,297.21

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1.5x scale

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.