Finding the Fourth Proportional to 20,511,738,031.24, 30,767,559,211.50 and 13,473,646,975
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Solution
The fourth proportional to 20,511,738,031.24, 30,767,559,211.50 and 13,473,646,975 is: 20,210,439,040.65
Step by Step Solution
- Step 1: Write the proportion equation
20,511,738,031.24 : 30,767,559,211.50 = 13,473,646,975 : x - Step 2: Convert to fraction form
20,511,738,031.24/30,767,559,211.50 = 13,473,646,975/x - Step 3: Cross multiply
20,511,738,031.24x = 30,767,559,211.50 × 13,473,646,975 - Step 4: Simplify right side
20,511,738,031.24x = 414,551,231,098,160,349,184 - Step 5: Solve for x
x = 414,551,231,098,160,349,184/20,511,738,031.24 - Step 6: Final answer
x = 20,210,439,040.65
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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.