Home / 982,823,611.15-1,355,398,321.74-768,270,601.15

Finding the Fourth Proportional to 982,823,611.15, 1,355,398,321.74 and 768,270,601.15

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Solution

The fourth proportional to 982,823,611.15, 1,355,398,321.74 and 768,270,601.15 is: 1,059,511,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,823,611.15 : 1,355,398,321.74 = 768,270,601.15 : x
  2. Step 2: Convert to fraction form
    982,823,611.15/1,355,398,321.74 = 768,270,601.15/x
  3. Step 3: Cross multiply
    982,823,611.15x = 1,355,398,321.74 × 768,270,601.15
  4. Step 4: Simplify right side
    982,823,611.15x = 1,041,312,683,440,890,880
  5. Step 5: Solve for x
    x = 1,041,312,683,440,890,880/982,823,611.15
  6. Step 6: Final answer
    x = 1,059,511,260.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.