Finding the Fourth Proportional to 1,517,154,486.90, 2,275,731,730.35 and 993,366,237.30
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Solution
The fourth proportional to 1,517,154,486.90, 2,275,731,730.35 and 993,366,237.30 is: 1,490,049,355.95
Step by Step Solution
- Step 1: Write the proportion equation
1,517,154,486.90 : 2,275,731,730.35 = 993,366,237.30 : x - Step 2: Convert to fraction form
1,517,154,486.90/2,275,731,730.35 = 993,366,237.30/x - Step 3: Cross multiply
1,517,154,486.90x = 2,275,731,730.35 × 993,366,237.30 - Step 4: Simplify right side
1,517,154,486.90x = 2,260,635,066,081,997,568 - Step 5: Solve for x
x = 2,260,635,066,081,997,568/1,517,154,486.90 - Step 6: Final answer
x = 1,490,049,355.95
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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.