Finding the Fourth Proportional to 1,590,283,305.92, 2,194,564,757.28 and 930,345,383.36
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Solution
The fourth proportional to 1,590,283,305.92, 2,194,564,757.28 and 930,345,383.36 is: 1,283,861,298.69
Step by Step Solution
- Step 1: Write the proportion equation
1,590,283,305.92 : 2,194,564,757.28 = 930,345,383.36 : x - Step 2: Convert to fraction form
1,590,283,305.92/2,194,564,757.28 = 930,345,383.36/x - Step 3: Cross multiply
1,590,283,305.92x = 2,194,564,757.28 × 930,345,383.36 - Step 4: Simplify right side
1,590,283,305.92x = 2,041,703,190,420,007,168 - Step 5: Solve for x
x = 2,041,703,190,420,007,168/1,590,283,305.92 - Step 6: Final answer
x = 1,283,861,298.69
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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.