Home / 825,243,271,254.60-1,238,430,346,179.90-288,021,231,512.05

Finding the Fourth Proportional to 825,243,271,254.60, 1,238,430,346,179.90 and 288,021,231,512.05

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Solution

The fourth proportional to 825,243,271,254.60, 1,238,430,346,179.90 and 288,021,231,512.05 is: 432,229,193,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,243,271,254.60 : 1,238,430,346,179.90 = 288,021,231,512.05 : x
  2. Step 2: Convert to fraction form
    825,243,271,254.60/1,238,430,346,179.90 = 288,021,231,512.05/x
  3. Step 3: Cross multiply
    825,243,271,254.60x = 1,238,430,346,179.90 × 288,021,231,512.05
  4. Step 4: Simplify right side
    825,243,271,254.60x = 356,694,233,448,629,193,932,800
  5. Step 5: Solve for x
    x = 356,694,233,448,629,193,932,800/825,243,271,254.60
  6. Step 6: Final answer
    x = 432,229,193,346.05

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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.