Finding the Fourth Proportional to 13,898,508,328.48, 19,179,953,852.26 and 7,554,876,161.44
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Solution
The fourth proportional to 13,898,508,328.48, 19,179,953,852.26 and 7,554,876,161.44 is: 10,425,735,820.80
Step by Step Solution
- Step 1: Write the proportion equation
13,898,508,328.48 : 19,179,953,852.26 = 7,554,876,161.44 : x - Step 2: Convert to fraction form
13,898,508,328.48/19,179,953,852.26 = 7,554,876,161.44/x - Step 3: Cross multiply
13,898,508,328.48x = 19,179,953,852.26 × 7,554,876,161.44 - Step 4: Simplify right side
13,898,508,328.48x = 144,902,176,135,958,347,776 - Step 5: Solve for x
x = 144,902,176,135,958,347,776/13,898,508,328.48 - Step 6: Final answer
x = 10,425,735,820.80
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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.