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Finding the Fourth Proportional to 308,863,673.71, 463,313,019.76 and 98,792,811.41

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Solution

The fourth proportional to 308,863,673.71, 463,313,019.76 and 98,792,811.41 is: 148,194,817.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,863,673.71 : 463,313,019.76 = 98,792,811.41 : x
  2. Step 2: Convert to fraction form
    308,863,673.71/463,313,019.76 = 98,792,811.41/x
  3. Step 3: Cross multiply
    308,863,673.71x = 463,313,019.76 × 98,792,811.41
  4. Step 4: Simplify right side
    308,863,673.71x = 45,771,995,782,383,736
  5. Step 5: Solve for x
    x = 45,771,995,782,383,736/308,863,673.71
  6. Step 6: Final answer
    x = 148,194,817.58

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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.