Finding the Fourth Proportional to 1,610,604,749.85, 2,222,599,717.86 and 932,450,299.08
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Solution
The fourth proportional to 1,610,604,749.85, 2,222,599,717.86 and 932,450,299.08 is: 1,286,761,244.09
Step by Step Solution
- Step 1: Write the proportion equation
1,610,604,749.85 : 2,222,599,717.86 = 932,450,299.08 : x - Step 2: Convert to fraction form
1,610,604,749.85/2,222,599,717.86 = 932,450,299.08/x - Step 3: Cross multiply
1,610,604,749.85x = 2,222,599,717.86 × 932,450,299.08 - Step 4: Simplify right side
1,610,604,749.85x = 2,072,463,771,653,680,896 - Step 5: Solve for x
x = 2,072,463,771,653,680,896/1,610,604,749.85 - Step 6: Final answer
x = 1,286,761,244.09
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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.