Home / 1,985,424,477.57-2,739,797,398.58-1,138,044,311.64

Finding the Fourth Proportional to 1,985,424,477.57, 2,739,797,398.58 and 1,138,044,311.64

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Solution

The fourth proportional to 1,985,424,477.57, 2,739,797,398.58 and 1,138,044,311.64 is: 1,570,450,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,424,477.57 : 2,739,797,398.58 = 1,138,044,311.64 : x
  2. Step 2: Convert to fraction form
    1,985,424,477.57/2,739,797,398.58 = 1,138,044,311.64/x
  3. Step 3: Cross multiply
    1,985,424,477.57x = 2,739,797,398.58 × 1,138,044,311.64
  4. Step 4: Simplify right side
    1,985,424,477.57x = 3,118,010,844,494,348,800
  5. Step 5: Solve for x
    x = 3,118,010,844,494,348,800/1,985,424,477.57
  6. Step 6: Final answer
    x = 1,570,450,490.42

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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.