Finding the Fourth Proportional to 694,537,560.80, 958,426,635.84 and 412,292,066.12
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Solution
The fourth proportional to 694,537,560.80, 958,426,635.84 and 412,292,066.12 is: 568,942,156.94
Step by Step Solution
- Step 1: Write the proportion equation
694,537,560.80 : 958,426,635.84 = 412,292,066.12 : x - Step 2: Convert to fraction form
694,537,560.80/958,426,635.84 = 412,292,066.12/x - Step 3: Cross multiply
694,537,560.80x = 958,426,635.84 × 412,292,066.12 - Step 4: Simplify right side
694,537,560.80x = 395,151,697,914,914,432 - Step 5: Solve for x
x = 395,151,697,914,914,432/694,537,560.80 - Step 6: Final answer
x = 568,942,156.94
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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.