Finding the Fourth Proportional to 1,976,892,548.28, 2,728,153,394.63 and 1,084,811,471.65
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Solution
The fourth proportional to 1,976,892,548.28, 2,728,153,394.63 and 1,084,811,471.65 is: 1,497,062,701.51
Step by Step Solution
- Step 1: Write the proportion equation
1,976,892,548.28 : 2,728,153,394.63 = 1,084,811,471.65 : x - Step 2: Convert to fraction form
1,976,892,548.28/2,728,153,394.63 = 1,084,811,471.65/x - Step 3: Cross multiply
1,976,892,548.28x = 2,728,153,394.63 × 1,084,811,471.65 - Step 4: Simplify right side
1,976,892,548.28x = 2,959,532,098,915,513,856 - Step 5: Solve for x
x = 2,959,532,098,915,513,856/1,976,892,548.28 - Step 6: Final answer
x = 1,497,062,701.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.