Finding the Fourth Proportional to 1,381,007,695.26, 2,072,821,177.08 and 854,785,021.62
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Solution
The fourth proportional to 1,381,007,695.26, 2,072,821,177.08 and 854,785,021.62 is: 1,282,988,140.29
Step by Step Solution
- Step 1: Write the proportion equation
1,381,007,695.26 : 2,072,821,177.08 = 854,785,021.62 : x - Step 2: Convert to fraction form
1,381,007,695.26/2,072,821,177.08 = 854,785,021.62/x - Step 3: Cross multiply
1,381,007,695.26x = 2,072,821,177.08 × 854,785,021.62 - Step 4: Simplify right side
1,381,007,695.26x = 1,771,816,494,664,721,664 - Step 5: Solve for x
x = 1,771,816,494,664,721,664/1,381,007,695.26 - Step 6: Final answer
x = 1,282,988,140.29
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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.