Home / 21,038,670,055.40-29,033,380,329.42-11,393,474,896.04

Finding the Fourth Proportional to 21,038,670,055.40, 29,033,380,329.42 and 11,393,474,896.04

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Solution

The fourth proportional to 21,038,670,055.40, 29,033,380,329.42 and 11,393,474,896.04 is: 15,723,003,833.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,670,055.40 : 29,033,380,329.42 = 11,393,474,896.04 : x
  2. Step 2: Convert to fraction form
    21,038,670,055.40/29,033,380,329.42 = 11,393,474,896.04/x
  3. Step 3: Cross multiply
    21,038,670,055.40x = 29,033,380,329.42 × 11,393,474,896.04
  4. Step 4: Simplify right side
    21,038,670,055.40x = 330,791,089,930,428,350,464
  5. Step 5: Solve for x
    x = 330,791,089,930,428,350,464/21,038,670,055.40
  6. Step 6: Final answer
    x = 15,723,003,833.39

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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.