Finding the Fourth Proportional to 1,512,582,428.80, 2,268,873,643.20 and 1,294,904,195.20
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Solution
The fourth proportional to 1,512,582,428.80, 2,268,873,643.20 and 1,294,904,195.20 is: 1,942,356,292.80
Step by Step Solution
- Step 1: Write the proportion equation
1,512,582,428.80 : 2,268,873,643.20 = 1,294,904,195.20 : x - Step 2: Convert to fraction form
1,512,582,428.80/2,268,873,643.20 = 1,294,904,195.20/x - Step 3: Cross multiply
1,512,582,428.80x = 2,268,873,643.20 × 1,294,904,195.20 - Step 4: Simplify right side
1,512,582,428.80x = 2,937,973,998,958,387,712 - Step 5: Solve for x
x = 2,937,973,998,958,387,712/1,512,582,428.80 - Step 6: Final answer
x = 1,942,356,292.80
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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.