Finding the Fourth Proportional to 1,096,771,832.94, 1,513,545,129.41 and 626,883,242.98
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Solution
The fourth proportional to 1,096,771,832.94, 1,513,545,129.41 and 626,883,242.98 is: 865,098,875.29
Step by Step Solution
- Step 1: Write the proportion equation
1,096,771,832.94 : 1,513,545,129.41 = 626,883,242.98 : x - Step 2: Convert to fraction form
1,096,771,832.94/1,513,545,129.41 = 626,883,242.98/x - Step 3: Cross multiply
1,096,771,832.94x = 1,513,545,129.41 × 626,883,242.98 - Step 4: Simplify right side
1,096,771,832.94x = 948,816,079,121,124,608 - Step 5: Solve for x
x = 948,816,079,121,124,608/1,096,771,832.94 - Step 6: Final answer
x = 865,098,875.29
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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.