Home / 645,580,024.18-967,361,128.71-449,227,072.59

Finding the Fourth Proportional to 645,580,024.18, 967,361,128.71 and 449,227,072.59

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Solution

The fourth proportional to 645,580,024.18, 967,361,128.71 and 449,227,072.59 is: 673,138,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,580,024.18 : 967,361,128.71 = 449,227,072.59 : x
  2. Step 2: Convert to fraction form
    645,580,024.18/967,361,128.71 = 449,227,072.59/x
  3. Step 3: Cross multiply
    645,580,024.18x = 967,361,128.71 × 449,227,072.59
  4. Step 4: Simplify right side
    645,580,024.18x = 434,564,807,989,124,736
  5. Step 5: Solve for x
    x = 434,564,807,989,124,736/645,580,024.18
  6. Step 6: Final answer
    x = 673,138,560.23

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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.