Home / 198,216,000.40-297,324,000.60-185,461,416.40

Finding the Fourth Proportional to 198,216,000.40, 297,324,000.60 and 185,461,416.40

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Solution

The fourth proportional to 198,216,000.40, 297,324,000.60 and 185,461,416.40 is: 278,192,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,216,000.40 : 297,324,000.60 = 185,461,416.40 : x
  2. Step 2: Convert to fraction form
    198,216,000.40/297,324,000.60 = 185,461,416.40/x
  3. Step 3: Cross multiply
    198,216,000.40x = 297,324,000.60 × 185,461,416.40
  4. Step 4: Simplify right side
    198,216,000.40x = 55,142,130,280,990,456
  5. Step 5: Solve for x
    x = 55,142,130,280,990,456/198,216,000.40
  6. Step 6: Final answer
    x = 278,192,124.60

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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.