Home / 885,696,033.70-1,328,544,050.55-394,408,353.70

Finding the Fourth Proportional to 885,696,033.70, 1,328,544,050.55 and 394,408,353.70

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Solution

The fourth proportional to 885,696,033.70, 1,328,544,050.55 and 394,408,353.70 is: 591,612,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,696,033.70 : 1,328,544,050.55 = 394,408,353.70 : x
  2. Step 2: Convert to fraction form
    885,696,033.70/1,328,544,050.55 = 394,408,353.70/x
  3. Step 3: Cross multiply
    885,696,033.70x = 1,328,544,050.55 × 394,408,353.70
  4. Step 4: Simplify right side
    885,696,033.70x = 523,988,871,795,355,072
  5. Step 5: Solve for x
    x = 523,988,871,795,355,072/885,696,033.70
  6. Step 6: Final answer
    x = 591,612,530.55

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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.