Finding the Fourth Proportional to 1,486,407,906.14, 2,051,373,611.79 and 817,470,843.08
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Solution
The fourth proportional to 1,486,407,906.14, 2,051,373,611.79 and 817,470,843.08 is: 1,128,181,644.47
Step by Step Solution
- Step 1: Write the proportion equation
1,486,407,906.14 : 2,051,373,611.79 = 817,470,843.08 : x - Step 2: Convert to fraction form
1,486,407,906.14/2,051,373,611.79 = 817,470,843.08/x - Step 3: Cross multiply
1,486,407,906.14x = 2,051,373,611.79 × 817,470,843.08 - Step 4: Simplify right side
1,486,407,906.14x = 1,676,938,115,892,820,224 - Step 5: Solve for x
x = 1,676,938,115,892,820,224/1,486,407,906.14 - Step 6: Final answer
x = 1,128,181,644.47
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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.