Finding the Fourth Proportional to 1,815,236,331.29, 2,723,646,489.17 and 635,663,427.96
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Solution
The fourth proportional to 1,815,236,331.29, 2,723,646,489.17 and 635,663,427.96 is: 953,772,483.51
Step by Step Solution
- Step 1: Write the proportion equation
1,815,236,331.29 : 2,723,646,489.17 = 635,663,427.96 : x - Step 2: Convert to fraction form
1,815,236,331.29/2,723,646,489.17 = 635,663,427.96/x - Step 3: Cross multiply
1,815,236,331.29x = 2,723,646,489.17 × 635,663,427.96 - Step 4: Simplify right side
1,815,236,331.29x = 1,731,322,463,853,842,944 - Step 5: Solve for x
x = 1,731,322,463,853,842,944/1,815,236,331.29 - Step 6: Final answer
x = 953,772,483.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.