Home / 338,256,034.80-507,384,052.20-193,137,212.40

Finding the Fourth Proportional to 338,256,034.80, 507,384,052.20 and 193,137,212.40

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Solution

The fourth proportional to 338,256,034.80, 507,384,052.20 and 193,137,212.40 is: 289,705,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,256,034.80 : 507,384,052.20 = 193,137,212.40 : x
  2. Step 2: Convert to fraction form
    338,256,034.80/507,384,052.20 = 193,137,212.40/x
  3. Step 3: Cross multiply
    338,256,034.80x = 507,384,052.20 × 193,137,212.40
  4. Step 4: Simplify right side
    338,256,034.80x = 97,994,741,458,124,096
  5. Step 5: Solve for x
    x = 97,994,741,458,124,096/338,256,034.80
  6. Step 6: Final answer
    x = 289,705,818.60

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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.