Home / 441,288,048.40-661,932,072.60-288,233,040.40

Finding the Fourth Proportional to 441,288,048.40, 661,932,072.60 and 288,233,040.40

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Solution

The fourth proportional to 441,288,048.40, 661,932,072.60 and 288,233,040.40 is: 432,349,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,288,048.40 : 661,932,072.60 = 288,233,040.40 : x
  2. Step 2: Convert to fraction form
    441,288,048.40/661,932,072.60 = 288,233,040.40/x
  3. Step 3: Cross multiply
    441,288,048.40x = 661,932,072.60 × 288,233,040.40
  4. Step 4: Simplify right side
    441,288,048.40x = 190,790,693,823,771,520
  5. Step 5: Solve for x
    x = 190,790,693,823,771,520/441,288,048.40
  6. Step 6: Final answer
    x = 432,349,560.60

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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.