Finding the Fourth Proportional to 1,588,776,310.88, 2,192,531,386.48 and 874,394,091.36
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Solution
The fourth proportional to 1,588,776,310.88, 2,192,531,386.48 and 874,394,091.36 is: 1,206,674,895.85
Step by Step Solution
- Step 1: Write the proportion equation
1,588,776,310.88 : 2,192,531,386.48 = 874,394,091.36 : x - Step 2: Convert to fraction form
1,588,776,310.88/2,192,531,386.48 = 874,394,091.36/x - Step 3: Cross multiply
1,588,776,310.88x = 2,192,531,386.48 × 874,394,091.36 - Step 4: Simplify right side
1,588,776,310.88x = 1,917,136,489,459,460,608 - Step 5: Solve for x
x = 1,917,136,489,459,460,608/1,588,776,310.88 - Step 6: Final answer
x = 1,206,674,895.85
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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.