Finding the Fourth Proportional to 1,206,554,098.68, 1,809,836,928.21 and 366,204,142.14
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Solution
The fourth proportional to 1,206,554,098.68, 1,809,836,928.21 and 366,204,142.14 is: 549,307,967.56
Step by Step Solution
- Step 1: Write the proportion equation
1,206,554,098.68 : 1,809,836,928.21 = 366,204,142.14 : x - Step 2: Convert to fraction form
1,206,554,098.68/1,809,836,928.21 = 366,204,142.14/x - Step 3: Cross multiply
1,206,554,098.68x = 1,809,836,928.21 × 366,204,142.14 - Step 4: Simplify right side
1,206,554,098.68x = 662,769,779,703,003,904 - Step 5: Solve for x
x = 662,769,779,703,003,904/1,206,554,098.68 - Step 6: Final answer
x = 549,307,967.56
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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.