Home / 1,985,424,470.82-2,739,797,389.26-1,138,044,304.89

Finding the Fourth Proportional to 1,985,424,470.82, 2,739,797,389.26 and 1,138,044,304.89

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Solution

The fourth proportional to 1,985,424,470.82, 2,739,797,389.26 and 1,138,044,304.89 is: 1,570,450,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,424,470.82 : 2,739,797,389.26 = 1,138,044,304.89 : x
  2. Step 2: Convert to fraction form
    1,985,424,470.82/2,739,797,389.26 = 1,138,044,304.89/x
  3. Step 3: Cross multiply
    1,985,424,470.82x = 2,739,797,389.26 × 1,138,044,304.89
  4. Step 4: Simplify right side
    1,985,424,470.82x = 3,118,010,815,399,834,112
  5. Step 5: Solve for x
    x = 3,118,010,815,399,834,112/1,985,424,470.82
  6. Step 6: Final answer
    x = 1,570,450,481.11

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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.