Finding the Fourth Proportional to 10,655,371,687.68, 15,988,568,590.08 and 7,731,755,328.96
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Solution
The fourth proportional to 10,655,371,687.68, 15,988,568,590.08 and 7,731,755,328.96 is: 11,601,631,930.09
Step by Step Solution
- Step 1: Write the proportion equation
10,655,371,687.68 : 15,988,568,590.08 = 7,731,755,328.96 : x - Step 2: Convert to fraction form
10,655,371,687.68/15,988,568,590.08 = 7,731,755,328.96/x - Step 3: Cross multiply
10,655,371,687.68x = 15,988,568,590.08 × 7,731,755,328.96 - Step 4: Simplify right side
10,655,371,687.68x = 123,619,700,398,793,506,816 - Step 5: Solve for x
x = 123,619,700,398,793,506,816/10,655,371,687.68 - Step 6: Final answer
x = 11,601,631,930.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.