Home / 30,635,222,959.05-45,858,584,758.41-19,988,522,372.40

Finding the Fourth Proportional to 30,635,222,959.05, 45,858,584,758.41 and 19,988,522,372.40

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Solution

The fourth proportional to 30,635,222,959.05, 45,858,584,758.41 and 19,988,522,372.40 is: 29,921,288,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635,222,959.05 : 45,858,584,758.41 = 19,988,522,372.40 : x
  2. Step 2: Convert to fraction form
    30,635,222,959.05/45,858,584,758.41 = 19,988,522,372.40/x
  3. Step 3: Cross multiply
    30,635,222,959.05x = 45,858,584,758.41 × 19,988,522,372.40
  4. Step 4: Simplify right side
    30,635,222,959.05x = 916,645,347,410,080,038,912
  5. Step 5: Solve for x
    x = 916,645,347,410,080,038,912/30,635,222,959.05
  6. Step 6: Final answer
    x = 29,921,288,597.62

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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.