Finding the Fourth Proportional to 2,731,528,847.76, 4,097,296,226.52 and 1,278,526,638.48
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Solution
The fourth proportional to 2,731,528,847.76, 4,097,296,226.52 and 1,278,526,638.48 is: 1,917,791,340.79
Step by Step Solution
- Step 1: Write the proportion equation
2,731,528,847.76 : 4,097,296,226.52 = 1,278,526,638.48 : x - Step 2: Convert to fraction form
2,731,528,847.76/4,097,296,226.52 = 1,278,526,638.48/x - Step 3: Cross multiply
2,731,528,847.76x = 4,097,296,226.52 × 1,278,526,638.48 - Step 4: Simplify right side
2,731,528,847.76x = 5,238,502,371,349,404,672 - Step 5: Solve for x
x = 5,238,502,371,349,404,672/2,731,528,847.76 - Step 6: Final answer
x = 1,917,791,340.79
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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.