Finding the Fourth Proportional to 2,621,511,892.57, 3,618,548,547.26 and 2,086,644,675.59
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Solution
The fourth proportional to 2,621,511,892.57, 3,618,548,547.26 and 2,086,644,675.59 is: 2,880,255,886.28
Step by Step Solution
- Step 1: Write the proportion equation
2,621,511,892.57 : 3,618,548,547.26 = 2,086,644,675.59 : x - Step 2: Convert to fraction form
2,621,511,892.57/3,618,548,547.26 = 2,086,644,675.59/x - Step 3: Cross multiply
2,621,511,892.57x = 3,618,548,547.26 × 2,086,644,675.59 - Step 4: Simplify right side
2,621,511,892.57x = 7,550,625,059,518,270,464 - Step 5: Solve for x
x = 7,550,625,059,518,270,464/2,621,511,892.57 - Step 6: Final answer
x = 2,880,255,886.28
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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.