Home / 812,050,668.30-1,120,600,927.44-459,619,092.21

Finding the Fourth Proportional to 812,050,668.30, 1,120,600,927.44 and 459,619,092.21

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Solution

The fourth proportional to 812,050,668.30, 1,120,600,927.44 and 459,619,092.21 is: 634,257,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,050,668.30 : 1,120,600,927.44 = 459,619,092.21 : x
  2. Step 2: Convert to fraction form
    812,050,668.30/1,120,600,927.44 = 459,619,092.21/x
  3. Step 3: Cross multiply
    812,050,668.30x = 1,120,600,927.44 × 459,619,092.21
  4. Step 4: Simplify right side
    812,050,668.30x = 515,049,580,999,656,896
  5. Step 5: Solve for x
    x = 515,049,580,999,656,896/812,050,668.30
  6. Step 6: Final answer
    x = 634,257,936.24

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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.