Finding the Fourth Proportional to 1,770,219,956.89, 2,442,839,550.53 and 977,248,942.99
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Solution
The fourth proportional to 1,770,219,956.89, 2,442,839,550.53 and 977,248,942.99 is: 1,348,568,215.69
Step by Step Solution
- Step 1: Write the proportion equation
1,770,219,956.89 : 2,442,839,550.53 = 977,248,942.99 : x - Step 2: Convert to fraction form
1,770,219,956.89/2,442,839,550.53 = 977,248,942.99/x - Step 3: Cross multiply
1,770,219,956.89x = 2,442,839,550.53 × 977,248,942.99 - Step 4: Simplify right side
1,770,219,956.89x = 2,387,262,368,649,609,216 - Step 5: Solve for x
x = 2,387,262,368,649,609,216/1,770,219,956.89 - Step 6: Final answer
x = 1,348,568,215.69
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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.