Home / 198,326,807.60-297,490,211.40-197,193,066.80

Finding the Fourth Proportional to 198,326,807.60, 297,490,211.40 and 197,193,066.80

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Solution

The fourth proportional to 198,326,807.60, 297,490,211.40 and 197,193,066.80 is: 295,789,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,326,807.60 : 297,490,211.40 = 197,193,066.80 : x
  2. Step 2: Convert to fraction form
    198,326,807.60/297,490,211.40 = 197,193,066.80/x
  3. Step 3: Cross multiply
    198,326,807.60x = 297,490,211.40 × 197,193,066.80
  4. Step 4: Simplify right side
    198,326,807.60x = 58,663,007,128,946,320
  5. Step 5: Solve for x
    x = 58,663,007,128,946,320/198,326,807.60
  6. Step 6: Final answer
    x = 295,789,600.20

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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.