Finding the Fourth Proportional to 1,512,582,415.80, 2,268,873,623.70 and 1,294,904,182.20
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Solution
The fourth proportional to 1,512,582,415.80, 2,268,873,623.70 and 1,294,904,182.20 is: 1,942,356,273.30
Step by Step Solution
- Step 1: Write the proportion equation
1,512,582,415.80 : 2,268,873,623.70 = 1,294,904,182.20 : x - Step 2: Convert to fraction form
1,512,582,415.80/2,268,873,623.70 = 1,294,904,182.20/x - Step 3: Cross multiply
1,512,582,415.80x = 2,268,873,623.70 × 1,294,904,182.20 - Step 4: Simplify right side
1,512,582,415.80x = 2,937,973,944,212,399,104 - Step 5: Solve for x
x = 2,937,973,944,212,399,104/1,512,582,415.80 - Step 6: Final answer
x = 1,942,356,273.30
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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.