Finding the Fourth Proportional to 4,968,686,504.10, 7,446,699,703.35 and 2,640,738,728.10
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Solution
The fourth proportional to 4,968,686,504.10, 7,446,699,703.35 and 2,640,738,728.10 is: 3,957,743,819.61
Step by Step Solution
- Step 1: Write the proportion equation
4,968,686,504.10 : 7,446,699,703.35 = 2,640,738,728.10 : x - Step 2: Convert to fraction form
4,968,686,504.10/7,446,699,703.35 = 2,640,738,728.10/x - Step 3: Cross multiply
4,968,686,504.10x = 7,446,699,703.35 × 2,640,738,728.10 - Step 4: Simplify right side
4,968,686,504.10x = 19,664,788,303,167,127,552 - Step 5: Solve for x
x = 19,664,788,303,167,127,552/4,968,686,504.10 - Step 6: Final answer
x = 3,957,743,819.61
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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.