Finding the Fourth Proportional to 1,769,995,515.36, 2,442,651,623.52 and 966,265,869.12
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Solution
The fourth proportional to 1,769,995,515.36, 2,442,651,623.52 and 966,265,869.12 is: 1,333,478,459.96
Step by Step Solution
- Step 1: Write the proportion equation
1,769,995,515.36 : 2,442,651,623.52 = 966,265,869.12 : x - Step 2: Convert to fraction form
1,769,995,515.36/2,442,651,623.52 = 966,265,869.12/x - Step 3: Cross multiply
1,769,995,515.36x = 2,442,651,623.52 × 966,265,869.12 - Step 4: Simplify right side
1,769,995,515.36x = 2,360,250,893,957,932,032 - Step 5: Solve for x
x = 2,360,250,893,957,932,032/1,769,995,515.36 - Step 6: Final answer
x = 1,333,478,459.96
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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.