Finding the Fourth Proportional to 5,635,994,121.20, 8,453,991,181.80 and 1,551,168,009.20
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Solution
The fourth proportional to 5,635,994,121.20, 8,453,991,181.80 and 1,551,168,009.20 is: 2,326,752,013.80
Step by Step Solution
- Step 1: Write the proportion equation
5,635,994,121.20 : 8,453,991,181.80 = 1,551,168,009.20 : x - Step 2: Convert to fraction form
5,635,994,121.20/8,453,991,181.80 = 1,551,168,009.20/x - Step 3: Cross multiply
5,635,994,121.20x = 8,453,991,181.80 × 1,551,168,009.20 - Step 4: Simplify right side
5,635,994,121.20x = 13,113,560,671,267,061,760 - Step 5: Solve for x
x = 13,113,560,671,267,061,760/5,635,994,121.20 - Step 6: Final answer
x = 2,326,752,013.80
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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.