Finding the Fourth Proportional to 3,555,634,994.19, 4,906,546,181.42 and 1,948,087,786.10
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Solution
The fourth proportional to 3,555,634,994.19, 4,906,546,181.42 and 1,948,087,786.10 is: 2,688,235,070.12
Step by Step Solution
- Step 1: Write the proportion equation
3,555,634,994.19 : 4,906,546,181.42 = 1,948,087,786.10 : x - Step 2: Convert to fraction form
3,555,634,994.19/4,906,546,181.42 = 1,948,087,786.10/x - Step 3: Cross multiply
3,555,634,994.19x = 4,906,546,181.42 × 1,948,087,786.10 - Step 4: Simplify right side
3,555,634,994.19x = 9,558,382,687,925,622,784 - Step 5: Solve for x
x = 9,558,382,687,925,622,784/3,555,634,994.19 - Step 6: Final answer
x = 2,688,235,070.12
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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.