Finding the Fourth Proportional to 694,537,515.80, 958,426,573.74 and 412,292,021.12
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Solution
The fourth proportional to 694,537,515.80, 958,426,573.74 and 412,292,021.12 is: 568,942,094.84
Step by Step Solution
- Step 1: Write the proportion equation
694,537,515.80 : 958,426,573.74 = 412,292,021.12 : x - Step 2: Convert to fraction form
694,537,515.80/958,426,573.74 = 412,292,021.12/x - Step 3: Cross multiply
694,537,515.80x = 958,426,573.74 × 412,292,021.12 - Step 4: Simplify right side
694,537,515.80x = 395,151,629,182,381,312 - Step 5: Solve for x
x = 395,151,629,182,381,312/694,537,515.80 - Step 6: Final answer
x = 568,942,094.84
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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.