Home / 198,993,506,619.40-298,490,259,929.10-163,660,758,022.60

Finding the Fourth Proportional to 198,993,506,619.40, 298,490,259,929.10 and 163,660,758,022.60

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Solution

The fourth proportional to 198,993,506,619.40, 298,490,259,929.10 and 163,660,758,022.60 is: 245,491,137,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,993,506,619.40 : 298,490,259,929.10 = 163,660,758,022.60 : x
  2. Step 2: Convert to fraction form
    198,993,506,619.40/298,490,259,929.10 = 163,660,758,022.60/x
  3. Step 3: Cross multiply
    198,993,506,619.40x = 298,490,259,929.10 × 163,660,758,022.60
  4. Step 4: Simplify right side
    198,993,506,619.40x = 48,851,142,202,359,413,735,424
  5. Step 5: Solve for x
    x = 48,851,142,202,359,413,735,424/198,993,506,619.40
  6. Step 6: Final answer
    x = 245,491,137,033.90

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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.