Finding the Fourth Proportional to 5,180,467,867.17, 7,149,067,195.86 and 2,801,605,804.42
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Solution
The fourth proportional to 5,180,467,867.17, 7,149,067,195.86 and 2,801,605,804.42 is: 3,866,227,658.51
Step by Step Solution
- Step 1: Write the proportion equation
5,180,467,867.17 : 7,149,067,195.86 = 2,801,605,804.42 : x - Step 2: Convert to fraction form
5,180,467,867.17/7,149,067,195.86 = 2,801,605,804.42/x - Step 3: Cross multiply
5,180,467,867.17x = 7,149,067,195.86 × 2,801,605,804.42 - Step 4: Simplify right side
5,180,467,867.17x = 20,028,868,152,092,114,944 - Step 5: Solve for x
x = 20,028,868,152,092,114,944/5,180,467,867.17 - Step 6: Final answer
x = 3,866,227,658.51
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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.