Finding the Fourth Proportional to 1,552,177,613.20, 2,328,589,901.40 and 517,359,974.80
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Solution
The fourth proportional to 1,552,177,613.20, 2,328,589,901.40 and 517,359,974.80 is: 776,147,782.61
Step by Step Solution
- Step 1: Write the proportion equation
1,552,177,613.20 : 2,328,589,901.40 = 517,359,974.80 : x - Step 2: Convert to fraction form
1,552,177,613.20/2,328,589,901.40 = 517,359,974.80/x - Step 3: Cross multiply
1,552,177,613.20x = 2,328,589,901.40 × 517,359,974.80 - Step 4: Simplify right side
1,552,177,613.20x = 1,204,719,212,707,838,464 - Step 5: Solve for x
x = 1,204,719,212,707,838,464/1,552,177,613.20 - Step 6: Final answer
x = 776,147,782.61
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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.