Finding the Fourth Proportional to 3,127,416,543.28, 4,315,919,110.58 and 1,840,018,276.27
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Solution
The fourth proportional to 3,127,416,543.28, 4,315,919,110.58 and 1,840,018,276.27 is: 2,539,274,807.96
Step by Step Solution
- Step 1: Write the proportion equation
3,127,416,543.28 : 4,315,919,110.58 = 1,840,018,276.27 : x - Step 2: Convert to fraction form
3,127,416,543.28/4,315,919,110.58 = 1,840,018,276.27/x - Step 3: Cross multiply
3,127,416,543.28x = 4,315,919,110.58 × 1,840,018,276.27 - Step 4: Simplify right side
3,127,416,543.28x = 7,941,370,042,356,205,568 - Step 5: Solve for x
x = 7,941,370,042,356,205,568/3,127,416,543.28 - Step 6: Final answer
x = 2,539,274,807.96
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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.