Home / 154,524,674,534.40-231,787,011,801.60-148,429,683,993.60

Finding the Fourth Proportional to 154,524,674,534.40, 231,787,011,801.60 and 148,429,683,993.60

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Solution

The fourth proportional to 154,524,674,534.40, 231,787,011,801.60 and 148,429,683,993.60 is: 222,644,525,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524,674,534.40 : 231,787,011,801.60 = 148,429,683,993.60 : x
  2. Step 2: Convert to fraction form
    154,524,674,534.40/231,787,011,801.60 = 148,429,683,993.60/x
  3. Step 3: Cross multiply
    154,524,674,534.40x = 231,787,011,801.60 × 148,429,683,993.60
  4. Step 4: Simplify right side
    154,524,674,534.40x = 34,404,072,915,532,322,439,168
  5. Step 5: Solve for x
    x = 34,404,072,915,532,322,439,168/154,524,674,534.40
  6. Step 6: Final answer
    x = 222,644,525,990.40

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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.