Home / 198,993,506,913.40-298,490,260,370.10-163,660,758,316.60

Finding the Fourth Proportional to 198,993,506,913.40, 298,490,260,370.10 and 163,660,758,316.60

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Solution

The fourth proportional to 198,993,506,913.40, 298,490,260,370.10 and 163,660,758,316.60 is: 245,491,137,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,993,506,913.40 : 298,490,260,370.10 = 163,660,758,316.60 : x
  2. Step 2: Convert to fraction form
    198,993,506,913.40/298,490,260,370.10 = 163,660,758,316.60/x
  3. Step 3: Cross multiply
    198,993,506,913.40x = 298,490,260,370.10 × 163,660,758,316.60
  4. Step 4: Simplify right side
    198,993,506,913.40x = 48,851,142,362,289,944,920,064
  5. Step 5: Solve for x
    x = 48,851,142,362,289,944,920,064/198,993,506,913.40
  6. Step 6: Final answer
    x = 245,491,137,474.90

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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.