Home / 1,289,374,866,992.60-1,933,043,233,250.90-643,649,091,608.64

Finding the Fourth Proportional to 1,289,374,866,992.60, 1,933,043,233,250.90 and 643,649,091,608.64

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Solution

The fourth proportional to 1,289,374,866,992.60, 1,933,043,233,250.90 and 643,649,091,608.64 is: 964,964,924,455.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,374,866,992.60 : 1,933,043,233,250.90 = 643,649,091,608.64 : x
  2. Step 2: Convert to fraction form
    1,289,374,866,992.60/1,933,043,233,250.90 = 643,649,091,608.64/x
  3. Step 3: Cross multiply
    1,289,374,866,992.60x = 1,933,043,233,250.90 × 643,649,091,608.64
  4. Step 4: Simplify right side
    1,289,374,866,992.60x = 1,244,201,521,122,170,227,392,512
  5. Step 5: Solve for x
    x = 1,244,201,521,122,170,227,392,512/1,289,374,866,992.60
  6. Step 6: Final answer
    x = 964,964,924,455.37

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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.