Home / 2,227,699,630.88-3,074,045,519.76-1,287,962,833.76

Finding the Fourth Proportional to 2,227,699,630.88, 3,074,045,519.76 and 1,287,962,833.76

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Solution

The fourth proportional to 2,227,699,630.88, 3,074,045,519.76 and 1,287,962,833.76 is: 1,777,284,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,699,630.88 : 3,074,045,519.76 = 1,287,962,833.76 : x
  2. Step 2: Convert to fraction form
    2,227,699,630.88/3,074,045,519.76 = 1,287,962,833.76/x
  3. Step 3: Cross multiply
    2,227,699,630.88x = 3,074,045,519.76 × 1,287,962,833.76
  4. Step 4: Simplify right side
    2,227,699,630.88x = 3,959,256,378,737,321,984
  5. Step 5: Solve for x
    x = 3,959,256,378,737,321,984/2,227,699,630.88
  6. Step 6: Final answer
    x = 1,777,284,658.96

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1.5x scale

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.