Finding the Fourth Proportional to 3,147,335,387.82, 4,343,703,705.41 and 1,791,299,008.08
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Solution
The fourth proportional to 3,147,335,387.82, 4,343,703,705.41 and 1,791,299,008.08 is: 2,472,209,402.59
Step by Step Solution
- Step 1: Write the proportion equation
3,147,335,387.82 : 4,343,703,705.41 = 1,791,299,008.08 : x - Step 2: Convert to fraction form
3,147,335,387.82/4,343,703,705.41 = 1,791,299,008.08/x - Step 3: Cross multiply
3,147,335,387.82x = 4,343,703,705.41 × 1,791,299,008.08 - Step 4: Simplify right side
3,147,335,387.82x = 7,780,872,138,885,396,480 - Step 5: Solve for x
x = 7,780,872,138,885,396,480/3,147,335,387.82 - Step 6: Final answer
x = 2,472,209,402.59
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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.