Home / 198,813,198,441.02-298,220,912,584.40-66,315,027,461.18

Finding the Fourth Proportional to 198,813,198,441.02, 298,220,912,584.40 and 66,315,027,461.18

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Solution

The fourth proportional to 198,813,198,441.02, 298,220,912,584.40 and 66,315,027,461.18 is: 99,472,913,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,813,198,441.02 : 298,220,912,584.40 = 66,315,027,461.18 : x
  2. Step 2: Convert to fraction form
    198,813,198,441.02/298,220,912,584.40 = 66,315,027,461.18/x
  3. Step 3: Cross multiply
    198,813,198,441.02x = 298,220,912,584.40 × 66,315,027,461.18
  4. Step 4: Simplify right side
    198,813,198,441.02x = 19,776,528,007,532,648,595,456
  5. Step 5: Solve for x
    x = 19,776,528,007,532,648,595,456/198,813,198,441.02
  6. Step 6: Final answer
    x = 99,472,913,079.26

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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.