Finding the Fourth Proportional to 534,145,108.21, 737,124,577.29 and 295,994,270.66
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Solution
The fourth proportional to 534,145,108.21, 737,124,577.29 and 295,994,270.66 is: 408,474,491.83
Step by Step Solution
- Step 1: Write the proportion equation
534,145,108.21 : 737,124,577.29 = 295,994,270.66 : x - Step 2: Convert to fraction form
534,145,108.21/737,124,577.29 = 295,994,270.66/x - Step 3: Cross multiply
534,145,108.21x = 737,124,577.29 × 295,994,270.66 - Step 4: Simplify right side
534,145,108.21x = 218,184,651,636,828,704 - Step 5: Solve for x
x = 218,184,651,636,828,704/534,145,108.21 - Step 6: Final answer
x = 408,474,491.83
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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.