Finding the Fourth Proportional to 5,167,299,583.20, 7,750,949,374.80 and 1,486,804,937.70
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Solution
The fourth proportional to 5,167,299,583.20, 7,750,949,374.80 and 1,486,804,937.70 is: 2,230,207,406.55
Step by Step Solution
- Step 1: Write the proportion equation
5,167,299,583.20 : 7,750,949,374.80 = 1,486,804,937.70 : x - Step 2: Convert to fraction form
5,167,299,583.20/7,750,949,374.80 = 1,486,804,937.70/x - Step 3: Cross multiply
5,167,299,583.20x = 7,750,949,374.80 × 1,486,804,937.70 - Step 4: Simplify right side
5,167,299,583.20x = 11,524,149,802,315,368,448 - Step 5: Solve for x
x = 11,524,149,802,315,368,448/5,167,299,583.20 - Step 6: Final answer
x = 2,230,207,406.55
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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.