Home / 21,048,566,361.42-31,576,831,585.25-8,458,404,892.41

Finding the Fourth Proportional to 21,048,566,361.42, 31,576,831,585.25 and 8,458,404,892.41

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Solution

The fourth proportional to 21,048,566,361.42, 31,576,831,585.25 and 8,458,404,892.41 is: 12,689,207,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048,566,361.42 : 31,576,831,585.25 = 8,458,404,892.41 : x
  2. Step 2: Convert to fraction form
    21,048,566,361.42/31,576,831,585.25 = 8,458,404,892.41/x
  3. Step 3: Cross multiply
    21,048,566,361.42x = 31,576,831,585.25 × 8,458,404,892.41
  4. Step 4: Simplify right side
    21,048,566,361.42x = 267,089,626,767,310,422,016
  5. Step 5: Solve for x
    x = 267,089,626,767,310,422,016/21,048,566,361.42
  6. Step 6: Final answer
    x = 12,689,207,529.92

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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.