Finding the Fourth Proportional to 546,427,517.37, 754,075,956.84 and 298,908,874.05
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Solution
The fourth proportional to 546,427,517.37, 754,075,956.84 and 298,908,874.05 is: 412,497,518.96
Step by Step Solution
- Step 1: Write the proportion equation
546,427,517.37 : 754,075,956.84 = 298,908,874.05 : x - Step 2: Convert to fraction form
546,427,517.37/754,075,956.84 = 298,908,874.05/x - Step 3: Cross multiply
546,427,517.37x = 754,075,956.84 × 298,908,874.05 - Step 4: Simplify right side
546,427,517.37x = 225,399,995,207,220,800 - Step 5: Solve for x
x = 225,399,995,207,220,800/546,427,517.37 - Step 6: Final answer
x = 412,497,518.96
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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.