Home / 18,915,136,168.02-26,098,557,378.12-11,292,698,571.90

Finding the Fourth Proportional to 18,915,136,168.02, 26,098,557,378.12 and 11,292,698,571.90

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Solution

The fourth proportional to 18,915,136,168.02, 26,098,557,378.12 and 11,292,698,571.90 is: 15,581,338,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,915,136,168.02 : 26,098,557,378.12 = 11,292,698,571.90 : x
  2. Step 2: Convert to fraction form
    18,915,136,168.02/26,098,557,378.12 = 11,292,698,571.90/x
  3. Step 3: Cross multiply
    18,915,136,168.02x = 26,098,557,378.12 × 11,292,698,571.90
  4. Step 4: Simplify right side
    18,915,136,168.02x = 294,723,141,632,545,914,880
  5. Step 5: Solve for x
    x = 294,723,141,632,545,914,880/18,915,136,168.02
  6. Step 6: Final answer
    x = 15,581,338,617.63

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Double scale
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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.