Home / 3,188,793,361.66-4,782,770,098.39-947,792,839.75

Finding the Fourth Proportional to 3,188,793,361.66, 4,782,770,098.39 and 947,792,839.75

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Solution

The fourth proportional to 3,188,793,361.66, 4,782,770,098.39 and 947,792,839.75 is: 1,421,564,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,793,361.66 : 4,782,770,098.39 = 947,792,839.75 : x
  2. Step 2: Convert to fraction form
    3,188,793,361.66/4,782,770,098.39 = 947,792,839.75/x
  3. Step 3: Cross multiply
    3,188,793,361.66x = 4,782,770,098.39 × 947,792,839.75
  4. Step 4: Simplify right side
    3,188,793,361.66x = 4,533,075,253,424,445,440
  5. Step 5: Solve for x
    x = 4,533,075,253,424,445,440/3,188,793,361.66
  6. Step 6: Final answer
    x = 1,421,564,441.25

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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.