Finding the Fourth Proportional to 7,248,639,287,169, 10,016,207,101,077 and 5,161,637,694,578.20
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Solution
The fourth proportional to 7,248,639,287,169, 10,016,207,101,077 and 5,161,637,694,578.20 is: 7,132,377,551,347.66
Step by Step Solution
- Step 1: Write the proportion equation
7,248,639,287,169 : 10,016,207,101,077 = 5,161,637,694,578.20 : x - Step 2: Convert to fraction form
7,248,639,287,169/10,016,207,101,077 = 5,161,637,694,578.20/x - Step 3: Cross multiply
7,248,639,287,169x = 10,016,207,101,077 × 5,161,637,694,578.20 - Step 4: Simplify right side
7,248,639,287,169x = 51,700,032,129,620,881,461,739,520 - Step 5: Solve for x
x = 51,700,032,129,620,881,461,739,520/7,248,639,287,169 - Step 6: Final answer
x = 7,132,377,551,347.66
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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.