Finding the Fourth Proportional to 557,736,579.80, 836,604,869.70 and 251,626,563.80
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Solution
The fourth proportional to 557,736,579.80, 836,604,869.70 and 251,626,563.80 is: 377,439,845.70
Step by Step Solution
- Step 1: Write the proportion equation
557,736,579.80 : 836,604,869.70 = 251,626,563.80 : x - Step 2: Convert to fraction form
557,736,579.80/836,604,869.70 = 251,626,563.80/x - Step 3: Cross multiply
557,736,579.80x = 836,604,869.70 × 251,626,563.80 - Step 4: Simplify right side
557,736,579.80x = 210,512,008,620,957,760 - Step 5: Solve for x
x = 210,512,008,620,957,760/557,736,579.80 - Step 6: Final answer
x = 377,439,845.70
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Similar ratio
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1.5x scale
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.