Finding the Fourth Proportional to 1,105,120,657.68, 1,656,863,767.68 and 668,324,234.48
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Solution
The fourth proportional to 1,105,120,657.68, 1,656,863,767.68 and 668,324,234.48 is: 1,001,992,136.77
Step by Step Solution
- Step 1: Write the proportion equation
1,105,120,657.68 : 1,656,863,767.68 = 668,324,234.48 : x - Step 2: Convert to fraction form
1,105,120,657.68/1,656,863,767.68 = 668,324,234.48/x - Step 3: Cross multiply
1,105,120,657.68x = 1,656,863,767.68 × 668,324,234.48 - Step 4: Simplify right side
1,105,120,657.68x = 1,107,322,209,172,384,640 - Step 5: Solve for x
x = 1,107,322,209,172,384,640/1,105,120,657.68 - Step 6: Final answer
x = 1,001,992,136.77
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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.