Finding the Fourth Proportional to 1,076,546,414.25, 1,485,634,649.49 and 581,509,127.61
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Solution
The fourth proportional to 1,076,546,414.25, 1,485,634,649.49 and 581,509,127.61 is: 802,482,919.02
Step by Step Solution
- Step 1: Write the proportion equation
1,076,546,414.25 : 1,485,634,649.49 = 581,509,127.61 : x - Step 2: Convert to fraction form
1,076,546,414.25/1,485,634,649.49 = 581,509,127.61/x - Step 3: Cross multiply
1,076,546,414.25x = 1,485,634,649.49 × 581,509,127.61 - Step 4: Simplify right side
1,076,546,414.25x = 863,910,108,972,118,016 - Step 5: Solve for x
x = 863,910,108,972,118,016/1,076,546,414.25 - Step 6: Final answer
x = 802,482,919.02
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1.5x scale
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.