Finding the Fourth Proportional to 1,229,591,997.32, 1,842,457,619.70 and 836,306,392.68
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Solution
The fourth proportional to 1,229,591,997.32, 1,842,457,619.70 and 836,306,392.68 is: 1,253,146,644.55
Step by Step Solution
- Step 1: Write the proportion equation
1,229,591,997.32 : 1,842,457,619.70 = 836,306,392.68 : x - Step 2: Convert to fraction form
1,229,591,997.32/1,842,457,619.70 = 836,306,392.68/x - Step 3: Cross multiply
1,229,591,997.32x = 1,842,457,619.70 × 836,306,392.68 - Step 4: Simplify right side
1,229,591,997.32x = 1,540,859,085,597,086,208 - Step 5: Solve for x
x = 1,540,859,085,597,086,208/1,229,591,997.32 - Step 6: Final answer
x = 1,253,146,644.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.