Finding the Fourth Proportional to 1,105,120,665.93, 1,656,863,780.08 and 668,324,242.70
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Solution
The fourth proportional to 1,105,120,665.93, 1,656,863,780.08 and 668,324,242.70 is: 1,001,992,149.11
Step by Step Solution
- Step 1: Write the proportion equation
1,105,120,665.93 : 1,656,863,780.08 = 668,324,242.70 : x - Step 2: Convert to fraction form
1,105,120,665.93/1,656,863,780.08 = 668,324,242.70/x - Step 3: Cross multiply
1,105,120,665.93x = 1,656,863,780.08 × 668,324,242.70 - Step 4: Simplify right side
1,105,120,665.93x = 1,107,322,231,079,025,408 - Step 5: Solve for x
x = 1,107,322,231,079,025,408/1,105,120,665.93 - Step 6: Final answer
x = 1,001,992,149.11
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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.