Home / 1,929,394,407.21-2,662,565,594.15-1,082,504,818.89

Finding the Fourth Proportional to 1,929,394,407.21, 2,662,565,594.15 and 1,082,504,818.89

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Solution

The fourth proportional to 1,929,394,407.21, 2,662,565,594.15 and 1,082,504,818.89 is: 1,493,857,386.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,394,407.21 : 2,662,565,594.15 = 1,082,504,818.89 : x
  2. Step 2: Convert to fraction form
    1,929,394,407.21/2,662,565,594.15 = 1,082,504,818.89/x
  3. Step 3: Cross multiply
    1,929,394,407.21x = 2,662,565,594.15 × 1,082,504,818.89
  4. Step 4: Simplify right side
    1,929,394,407.21x = 2,882,240,086,272,678,912
  5. Step 5: Solve for x
    x = 2,882,240,086,272,678,912/1,929,394,407.21
  6. Step 6: Final answer
    x = 1,493,857,386.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.