Home / 1,691,171,988.75-2,333,812,571.96-938,598,792.03

Finding the Fourth Proportional to 1,691,171,988.75, 2,333,812,571.96 and 938,598,792.03

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Solution

The fourth proportional to 1,691,171,988.75, 2,333,812,571.96 and 938,598,792.03 is: 1,295,263,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,171,988.75 : 2,333,812,571.96 = 938,598,792.03 : x
  2. Step 2: Convert to fraction form
    1,691,171,988.75/2,333,812,571.96 = 938,598,792.03/x
  3. Step 3: Cross multiply
    1,691,171,988.75x = 2,333,812,571.96 × 938,598,792.03
  4. Step 4: Simplify right side
    1,691,171,988.75x = 2,190,513,660,861,390,336
  5. Step 5: Solve for x
    x = 2,190,513,660,861,390,336/1,691,171,988.75
  6. Step 6: Final answer
    x = 1,295,263,684.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.