Finding the Fourth Proportional to 1,076,241,105.60, 1,485,212,712.12 and 581,203,770.36
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Solution
The fourth proportional to 1,076,241,105.60, 1,485,212,712.12 and 581,203,770.36 is: 802,061,195.75
Step by Step Solution
- Step 1: Write the proportion equation
1,076,241,105.60 : 1,485,212,712.12 = 581,203,770.36 : x - Step 2: Convert to fraction form
1,076,241,105.60/1,485,212,712.12 = 581,203,770.36/x - Step 3: Cross multiply
1,076,241,105.60x = 1,485,212,712.12 × 581,203,770.36 - Step 4: Simplify right side
1,076,241,105.60x = 863,211,228,070,745,216 - Step 5: Solve for x
x = 863,211,228,070,745,216/1,076,241,105.60 - Step 6: Final answer
x = 802,061,195.75
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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.