Finding the Fourth Proportional to 486,474,953.18, 671,327,138.03 and 263,454,822.63
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Solution
The fourth proportional to 486,474,953.18, 671,327,138.03 and 263,454,822.63 is: 363,563,161.72
Step by Step Solution
- Step 1: Write the proportion equation
486,474,953.18 : 671,327,138.03 = 263,454,822.63 : x - Step 2: Convert to fraction form
486,474,953.18/671,327,138.03 = 263,454,822.63/x - Step 3: Cross multiply
486,474,953.18x = 671,327,138.03 × 263,454,822.63 - Step 4: Simplify right side
486,474,953.18x = 176,864,372,075,081,888 - Step 5: Solve for x
x = 176,864,372,075,081,888/486,474,953.18 - Step 6: Final answer
x = 363,563,161.72
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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.