Finding the Fourth Proportional to 1,301,949,960.63, 1,796,691,645.50 and 715,276,887.99
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Solution
The fourth proportional to 1,301,949,960.63, 1,796,691,645.50 and 715,276,887.99 is: 987,082,489.91
Step by Step Solution
- Step 1: Write the proportion equation
1,301,949,960.63 : 1,796,691,645.50 = 715,276,887.99 : x - Step 2: Convert to fraction form
1,301,949,960.63/1,796,691,645.50 = 715,276,887.99/x - Step 3: Cross multiply
1,301,949,960.63x = 1,796,691,645.50 × 715,276,887.99 - Step 4: Simplify right side
1,301,949,960.63x = 1,285,132,008,870,872,320 - Step 5: Solve for x
x = 1,285,132,008,870,872,320/1,301,949,960.63 - Step 6: Final answer
x = 987,082,489.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.