Finding the Fourth Proportional to 655,528,078.10, 983,292,117.15 and 584,102,407.70
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Solution
The fourth proportional to 655,528,078.10, 983,292,117.15 and 584,102,407.70 is: 876,153,611.55
Step by Step Solution
- Step 1: Write the proportion equation
655,528,078.10 : 983,292,117.15 = 584,102,407.70 : x - Step 2: Convert to fraction form
655,528,078.10/983,292,117.15 = 584,102,407.70/x - Step 3: Cross multiply
655,528,078.10x = 983,292,117.15 × 584,102,407.70 - Step 4: Simplify right side
655,528,078.10x = 574,343,293,099,745,472 - Step 5: Solve for x
x = 574,343,293,099,745,472/655,528,078.10 - Step 6: Final answer
x = 876,153,611.55
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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.