Home / 2,977,221,135.78-4,105,519,833.24-1,973,290,114.44

Finding the Fourth Proportional to 2,977,221,135.78, 4,105,519,833.24 and 1,973,290,114.44

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Solution

The fourth proportional to 2,977,221,135.78, 4,105,519,833.24 and 1,973,290,114.44 is: 2,721,121,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,221,135.78 : 4,105,519,833.24 = 1,973,290,114.44 : x
  2. Step 2: Convert to fraction form
    2,977,221,135.78/4,105,519,833.24 = 1,973,290,114.44/x
  3. Step 3: Cross multiply
    2,977,221,135.78x = 4,105,519,833.24 × 1,973,290,114.44
  4. Step 4: Simplify right side
    2,977,221,135.78x = 8,101,381,701,569,849,344
  5. Step 5: Solve for x
    x = 8,101,381,701,569,849,344/2,977,221,135.78
  6. Step 6: Final answer
    x = 2,721,121,922.79

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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.