Home / 446,128,072.40-669,192,108.60-354,295,067.60

Finding the Fourth Proportional to 446,128,072.40, 669,192,108.60 and 354,295,067.60

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Solution

The fourth proportional to 446,128,072.40, 669,192,108.60 and 354,295,067.60 is: 531,442,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,128,072.40 : 669,192,108.60 = 354,295,067.60 : x
  2. Step 2: Convert to fraction form
    446,128,072.40/669,192,108.60 = 354,295,067.60/x
  3. Step 3: Cross multiply
    446,128,072.40x = 669,192,108.60 × 354,295,067.60
  4. Step 4: Simplify right side
    446,128,072.40x = 237,091,463,353,823,552
  5. Step 5: Solve for x
    x = 237,091,463,353,823,552/446,128,072.40
  6. Step 6: Final answer
    x = 531,442,601.40

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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.