Finding the Fourth Proportional to 47,739,497,988.19, 71,609,247,052.29 and 19,402,790,487.48
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Solution
The fourth proportional to 47,739,497,988.19, 71,609,247,052.29 and 19,402,790,487.48 is: 29,104,185,759.67
Step by Step Solution
- Step 1: Write the proportion equation
47,739,497,988.19 : 71,609,247,052.29 = 19,402,790,487.48 : x - Step 2: Convert to fraction form
47,739,497,988.19/71,609,247,052.29 = 19,402,790,487.48/x - Step 3: Cross multiply
47,739,497,988.19x = 71,609,247,052.29 × 19,402,790,487.48 - Step 4: Simplify right side
47,739,497,988.19x = 1,389,419,217,521,777,573,888 - Step 5: Solve for x
x = 1,389,419,217,521,777,573,888/47,739,497,988.19 - Step 6: Final answer
x = 29,104,185,759.67
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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.