Finding the Fourth Proportional to 1,102,037,067.16, 1,520,811,067.68 and 606,999,775.72
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Solution
The fourth proportional to 1,102,037,067.16, 1,520,811,067.68 and 606,999,775.72 is: 837,659,643.68
Step by Step Solution
- Step 1: Write the proportion equation
1,102,037,067.16 : 1,520,811,067.68 = 606,999,775.72 : x - Step 2: Convert to fraction form
1,102,037,067.16/1,520,811,067.68 = 606,999,775.72/x - Step 3: Cross multiply
1,102,037,067.16x = 1,520,811,067.68 × 606,999,775.72 - Step 4: Simplify right side
1,102,037,067.16x = 923,131,976,994,253,824 - Step 5: Solve for x
x = 923,131,976,994,253,824/1,102,037,067.16 - Step 6: Final answer
x = 837,659,643.68
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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.