Home / 474,714,141.80-711,504,342.30-198,364,821.80

Finding the Fourth Proportional to 474,714,141.80, 711,504,342.30 and 198,364,821.80

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Solution

The fourth proportional to 474,714,141.80, 711,504,342.30 and 198,364,821.80 is: 297,310,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,714,141.80 : 711,504,342.30 = 198,364,821.80 : x
  2. Step 2: Convert to fraction form
    474,714,141.80/711,504,342.30 = 198,364,821.80/x
  3. Step 3: Cross multiply
    474,714,141.80x = 711,504,342.30 × 198,364,821.80
  4. Step 4: Simplify right side
    474,714,141.80x = 141,137,432,070,265,696
  5. Step 5: Solve for x
    x = 141,137,432,070,265,696/474,714,141.80
  6. Step 6: Final answer
    x = 297,310,359.31

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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.