Finding the Fourth Proportional to 394,381,825.05, 591,572,737.58 and 103,248,385.05
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Solution
The fourth proportional to 394,381,825.05, 591,572,737.58 and 103,248,385.05 is: 154,872,577.58
Step by Step Solution
- Step 1: Write the proportion equation
394,381,825.05 : 591,572,737.58 = 103,248,385.05 : x - Step 2: Convert to fraction form
394,381,825.05/591,572,737.58 = 103,248,385.05/x - Step 3: Cross multiply
394,381,825.05x = 591,572,737.58 × 103,248,385.05 - Step 4: Simplify right side
394,381,825.05x = 61,078,929,794,226,208 - Step 5: Solve for x
x = 61,078,929,794,226,208/394,381,825.05 - Step 6: Final answer
x = 154,872,577.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.