Finding the Fourth Proportional to 1,613,302,373.70, 2,419,953,560.55 and 1,290,816,101.70
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Solution
The fourth proportional to 1,613,302,373.70, 2,419,953,560.55 and 1,290,816,101.70 is: 1,936,224,152.55
Step by Step Solution
- Step 1: Write the proportion equation
1,613,302,373.70 : 2,419,953,560.55 = 1,290,816,101.70 : x - Step 2: Convert to fraction form
1,613,302,373.70/2,419,953,560.55 = 1,290,816,101.70/x - Step 3: Cross multiply
1,613,302,373.70x = 2,419,953,560.55 × 1,290,816,101.70 - Step 4: Simplify right side
1,613,302,373.70x = 3,123,715,021,324,186,112 - Step 5: Solve for x
x = 3,123,715,021,324,186,112/1,613,302,373.70 - Step 6: Final answer
x = 1,936,224,152.55
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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.