Home / 474,714,140.80-711,504,340.80-198,364,820.80

Finding the Fourth Proportional to 474,714,140.80, 711,504,340.80 and 198,364,820.80

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Solution

The fourth proportional to 474,714,140.80, 711,504,340.80 and 198,364,820.80 is: 297,310,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,714,140.80 : 711,504,340.80 = 198,364,820.80 : x
  2. Step 2: Convert to fraction form
    474,714,140.80/711,504,340.80 = 198,364,820.80/x
  3. Step 3: Cross multiply
    474,714,140.80x = 711,504,340.80 × 198,364,820.80
  4. Step 4: Simplify right side
    474,714,140.80x = 141,137,431,061,214,128
  5. Step 5: Solve for x
    x = 141,137,431,061,214,128/474,714,140.80
  6. Step 6: Final answer
    x = 297,310,357.82

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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.