Finding the Fourth Proportional to 998,213,672.79, 1,497,456,704.61 and 415,811,716.15
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Solution
The fourth proportional to 998,213,672.79, 1,497,456,704.61 and 415,811,716.15 is: 623,774,307.23
Step by Step Solution
- Step 1: Write the proportion equation
998,213,672.79 : 1,497,456,704.61 = 415,811,716.15 : x - Step 2: Convert to fraction form
998,213,672.79/1,497,456,704.61 = 415,811,716.15/x - Step 3: Cross multiply
998,213,672.79x = 1,497,456,704.61 × 415,811,716.15 - Step 4: Simplify right side
998,213,672.79x = 622,660,042,207,472,128 - Step 5: Solve for x
x = 622,660,042,207,472,128/998,213,672.79 - Step 6: Final answer
x = 623,774,307.23
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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.