Finding the Fourth Proportional to 1,653,430,212, 2,479,284,208.08 and 779,796,998.64
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Solution
The fourth proportional to 1,653,430,212, 2,479,284,208.08 and 779,796,998.64 is: 1,169,289,378.05
Step by Step Solution
- Step 1: Write the proportion equation
1,653,430,212 : 2,479,284,208.08 = 779,796,998.64 : x - Step 2: Convert to fraction form
1,653,430,212/2,479,284,208.08 = 779,796,998.64/x - Step 3: Cross multiply
1,653,430,212x = 2,479,284,208.08 × 779,796,998.64 - Step 4: Simplify right side
1,653,430,212x = 1,933,338,384,236,333,056 - Step 5: Solve for x
x = 1,933,338,384,236,333,056/1,653,430,212 - Step 6: Final answer
x = 1,169,289,378.05
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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.