Finding the Fourth Proportional to 1,815,236,342.08, 2,723,646,505.30 and 635,663,438.71
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Solution
The fourth proportional to 1,815,236,342.08, 2,723,646,505.30 and 635,663,438.71 is: 953,772,499.62
Step by Step Solution
- Step 1: Write the proportion equation
1,815,236,342.08 : 2,723,646,505.30 = 635,663,438.71 : x - Step 2: Convert to fraction form
1,815,236,342.08/2,723,646,505.30 = 635,663,438.71/x - Step 3: Cross multiply
1,815,236,342.08x = 2,723,646,505.30 × 635,663,438.71 - Step 4: Simplify right side
1,815,236,342.08x = 1,731,322,503,381,073,920 - Step 5: Solve for x
x = 1,731,322,503,381,073,920/1,815,236,342.08 - Step 6: Final answer
x = 953,772,499.62
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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.