Finding the Fourth Proportional to 7,999,545,176.16, 11,043,200,355.87 and 5,327,771,606.88
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Solution
The fourth proportional to 7,999,545,176.16, 11,043,200,355.87 and 5,327,771,606.88 is: 7,354,874,309.66
Step by Step Solution
- Step 1: Write the proportion equation
7,999,545,176.16 : 11,043,200,355.87 = 5,327,771,606.88 : x - Step 2: Convert to fraction form
7,999,545,176.16/11,043,200,355.87 = 5,327,771,606.88/x - Step 3: Cross multiply
7,999,545,176.16x = 11,043,200,355.87 × 5,327,771,606.88 - Step 4: Simplify right side
7,999,545,176.16x = 58,835,649,305,091,301,376 - Step 5: Solve for x
x = 58,835,649,305,091,301,376/7,999,545,176.16 - Step 6: Final answer
x = 7,354,874,309.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.