Finding the Fourth Proportional to 1,448,963,486.80, 2,173,445,230.20 and 1,291,751,429.20
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Solution
The fourth proportional to 1,448,963,486.80, 2,173,445,230.20 and 1,291,751,429.20 is: 1,937,627,143.80
Step by Step Solution
- Step 1: Write the proportion equation
1,448,963,486.80 : 2,173,445,230.20 = 1,291,751,429.20 : x - Step 2: Convert to fraction form
1,448,963,486.80/2,173,445,230.20 = 1,291,751,429.20/x - Step 3: Cross multiply
1,448,963,486.80x = 2,173,445,230.20 × 1,291,751,429.20 - Step 4: Simplify right side
1,448,963,486.80x = 2,807,550,982,398,772,736 - Step 5: Solve for x
x = 2,807,550,982,398,772,736/1,448,963,486.80 - Step 6: Final answer
x = 1,937,627,143.80
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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.