Home / 1,008,085,660.85-1,510,427,880.08-489,399,244.85

Finding the Fourth Proportional to 1,008,085,660.85, 1,510,427,880.08 and 489,399,244.85

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Solution

The fourth proportional to 1,008,085,660.85, 1,510,427,880.08 and 489,399,244.85 is: 733,273,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,085,660.85 : 1,510,427,880.08 = 489,399,244.85 : x
  2. Step 2: Convert to fraction form
    1,008,085,660.85/1,510,427,880.08 = 489,399,244.85/x
  3. Step 3: Cross multiply
    1,008,085,660.85x = 1,510,427,880.08 × 489,399,244.85
  4. Step 4: Simplify right side
    1,008,085,660.85x = 739,202,263,909,091,456
  5. Step 5: Solve for x
    x = 739,202,263,909,091,456/1,008,085,660.85
  6. Step 6: Final answer
    x = 733,273,264.98

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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.