Home / 31,393,075,957.44-47,089,783,971.36-9,310,299,414.72

Finding the Fourth Proportional to 31,393,075,957.44, 47,089,783,971.36 and 9,310,299,414.72

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Solution

The fourth proportional to 31,393,075,957.44, 47,089,783,971.36 and 9,310,299,414.72 is: 13,965,499,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393,075,957.44 : 47,089,783,971.36 = 9,310,299,414.72 : x
  2. Step 2: Convert to fraction form
    31,393,075,957.44/47,089,783,971.36 = 9,310,299,414.72/x
  3. Step 3: Cross multiply
    31,393,075,957.44x = 47,089,783,971.36 × 9,310,299,414.72
  4. Step 4: Simplify right side
    31,393,075,957.44x = 438,419,988,147,844,218,880
  5. Step 5: Solve for x
    x = 438,419,988,147,844,218,880/31,393,075,957.44
  6. Step 6: Final answer
    x = 13,965,499,549.72

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1.5x scale

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.