Finding the Fourth Proportional to 8,925,799,757.80, 12,317,233,782.09 and 4,856,718,264.70
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Solution
The fourth proportional to 8,925,799,757.80, 12,317,233,782.09 and 4,856,718,264.70 is: 6,702,069,943.68
Step by Step Solution
- Step 1: Write the proportion equation
8,925,799,757.80 : 12,317,233,782.09 = 4,856,718,264.70 : x - Step 2: Convert to fraction form
8,925,799,757.80/12,317,233,782.09 = 4,856,718,264.70/x - Step 3: Cross multiply
8,925,799,757.80x = 12,317,233,782.09 × 4,856,718,264.70 - Step 4: Simplify right side
8,925,799,757.80x = 59,821,334,280,056,365,056 - Step 5: Solve for x
x = 59,821,334,280,056,365,056/8,925,799,757.80 - Step 6: Final answer
x = 6,702,069,943.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.