Finding the Fourth Proportional to 7,248,639,287,166.80, 10,016,207,101,072 and 5,161,637,694,575.70
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Solution
The fourth proportional to 7,248,639,287,166.80, 10,016,207,101,072 and 5,161,637,694,575.70 is: 7,132,377,551,342.81
Step by Step Solution
- Step 1: Write the proportion equation
7,248,639,287,166.80 : 10,016,207,101,072 = 5,161,637,694,575.70 : x - Step 2: Convert to fraction form
7,248,639,287,166.80/10,016,207,101,072 = 5,161,637,694,575.70/x - Step 3: Cross multiply
7,248,639,287,166.80x = 10,016,207,101,072 × 5,161,637,694,575.70 - Step 4: Simplify right side
7,248,639,287,166.80x = 51,700,032,129,570,037,638,889,472 - Step 5: Solve for x
x = 51,700,032,129,570,037,638,889,472/7,248,639,287,166.80 - Step 6: Final answer
x = 7,132,377,551,342.81
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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.