Finding the Fourth Proportional to 7,776,767,446.08, 10,731,966,172.92 and 4,208,473,457.88
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Solution
The fourth proportional to 7,776,767,446.08, 10,731,966,172.92 and 4,208,473,457.88 is: 5,807,708,035.86
Step by Step Solution
- Step 1: Write the proportion equation
7,776,767,446.08 : 10,731,966,172.92 = 4,208,473,457.88 : x - Step 2: Convert to fraction form
7,776,767,446.08/10,731,966,172.92 = 4,208,473,457.88/x - Step 3: Cross multiply
7,776,767,446.08x = 10,731,966,172.92 × 4,208,473,457.88 - Step 4: Simplify right side
7,776,767,446.08x = 45,165,194,789,599,821,824 - Step 5: Solve for x
x = 45,165,194,789,599,821,824/7,776,767,446.08 - Step 6: Final answer
x = 5,807,708,035.86
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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.