Finding the Fourth Proportional to 5,466,528,218.70, 8,199,792,328.05 and 2,518,802,138.70
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Solution
The fourth proportional to 5,466,528,218.70, 8,199,792,328.05 and 2,518,802,138.70 is: 3,778,203,208.05
Step by Step Solution
- Step 1: Write the proportion equation
5,466,528,218.70 : 8,199,792,328.05 = 2,518,802,138.70 : x - Step 2: Convert to fraction form
5,466,528,218.70/8,199,792,328.05 = 2,518,802,138.70/x - Step 3: Cross multiply
5,466,528,218.70x = 8,199,792,328.05 × 2,518,802,138.70 - Step 4: Simplify right side
5,466,528,218.70x = 20,653,654,452,788,191,232 - Step 5: Solve for x
x = 20,653,654,452,788,191,232/5,466,528,218.70 - Step 6: Final answer
x = 3,778,203,208.05
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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.