Finding the Fourth Proportional to 4,042,450,823.80, 6,063,676,235.70 and 3,450,638,126.20
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Solution
The fourth proportional to 4,042,450,823.80, 6,063,676,235.70 and 3,450,638,126.20 is: 5,175,957,189.30
Step by Step Solution
- Step 1: Write the proportion equation
4,042,450,823.80 : 6,063,676,235.70 = 3,450,638,126.20 : x - Step 2: Convert to fraction form
4,042,450,823.80/6,063,676,235.70 = 3,450,638,126.20/x - Step 3: Cross multiply
4,042,450,823.80x = 6,063,676,235.70 × 3,450,638,126.20 - Step 4: Simplify right side
4,042,450,823.80x = 20,923,552,403,839,315,968 - Step 5: Solve for x
x = 20,923,552,403,839,315,968/4,042,450,823.80 - Step 6: Final answer
x = 5,175,957,189.30
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1.5x scale
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.