Finding the Fourth Proportional to 590,977,214.10, 886,465,821.15 and 559,232,471.70
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Solution
The fourth proportional to 590,977,214.10, 886,465,821.15 and 559,232,471.70 is: 838,848,707.55
Step by Step Solution
- Step 1: Write the proportion equation
590,977,214.10 : 886,465,821.15 = 559,232,471.70 : x - Step 2: Convert to fraction form
590,977,214.10/886,465,821.15 = 559,232,471.70/x - Step 3: Cross multiply
590,977,214.10x = 886,465,821.15 × 559,232,471.70 - Step 4: Simplify right side
590,977,214.10x = 495,740,472,239,284,672 - Step 5: Solve for x
x = 495,740,472,239,284,672/590,977,214.10 - Step 6: Final answer
x = 838,848,707.55
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Double scale
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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.