Finding the Fourth Proportional to 3,132,534,593.36, 4,694,569,128.12 and 1,192,779,667.28
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Solution
The fourth proportional to 3,132,534,593.36, 4,694,569,128.12 and 1,192,779,667.28 is: 1,787,557,786.12
Step by Step Solution
- Step 1: Write the proportion equation
3,132,534,593.36 : 4,694,569,128.12 = 1,192,779,667.28 : x - Step 2: Convert to fraction form
3,132,534,593.36/4,694,569,128.12 = 1,192,779,667.28/x - Step 3: Cross multiply
3,132,534,593.36x = 4,694,569,128.12 × 1,192,779,667.28 - Step 4: Simplify right side
3,132,534,593.36x = 5,599,586,602,661,933,056 - Step 5: Solve for x
x = 5,599,586,602,661,933,056/3,132,534,593.36 - Step 6: Final answer
x = 1,787,557,786.12
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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.