Finding the Fourth Proportional to 3,385,607,177.19, 5,076,398,944.77 and 1,287,237,185.75
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Solution
The fourth proportional to 3,385,607,177.19, 5,076,398,944.77 and 1,287,237,185.75 is: 1,930,090,866.83
Step by Step Solution
- Step 1: Write the proportion equation
3,385,607,177.19 : 5,076,398,944.77 = 1,287,237,185.75 : x - Step 2: Convert to fraction form
3,385,607,177.19/5,076,398,944.77 = 1,287,237,185.75/x - Step 3: Cross multiply
3,385,607,177.19x = 5,076,398,944.77 × 1,287,237,185.75 - Step 4: Simplify right side
3,385,607,177.19x = 6,534,529,491,384,622,080 - Step 5: Solve for x
x = 6,534,529,491,384,622,080/3,385,607,177.19 - Step 6: Final answer
x = 1,930,090,866.83
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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.