Finding the Fourth Proportional to 8,328,738,097.67, 12,406,542,873.60 and 7,877,626,397.69
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Solution
The fourth proportional to 8,328,738,097.67, 12,406,542,873.60 and 7,877,626,397.69 is: 11,734,563,927.82
Step by Step Solution
- Step 1: Write the proportion equation
8,328,738,097.67 : 12,406,542,873.60 = 7,877,626,397.69 : x - Step 2: Convert to fraction form
8,328,738,097.67/12,406,542,873.60 = 7,877,626,397.69/x - Step 3: Cross multiply
8,328,738,097.67x = 12,406,542,873.60 × 7,877,626,397.69 - Step 4: Simplify right side
8,328,738,097.67x = 97,734,109,645,113,589,760 - Step 5: Solve for x
x = 97,734,109,645,113,589,760/8,328,738,097.67 - Step 6: Final answer
x = 11,734,563,927.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.