Finding the Fourth Proportional to 1,791,459,006.10, 2,471,059,349.13 and 1,188,616,581.70
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Solution
The fourth proportional to 1,791,459,006.10, 2,471,059,349.13 and 1,188,616,581.70 is: 1,639,525,161.75
Step by Step Solution
- Step 1: Write the proportion equation
1,791,459,006.10 : 2,471,059,349.13 = 1,188,616,581.70 : x - Step 2: Convert to fraction form
1,791,459,006.10/2,471,059,349.13 = 1,188,616,581.70/x - Step 3: Cross multiply
1,791,459,006.10x = 2,471,059,349.13 × 1,188,616,581.70 - Step 4: Simplify right side
1,791,459,006.10x = 2,937,142,116,740,727,808 - Step 5: Solve for x
x = 2,937,142,116,740,727,808/1,791,459,006.10 - Step 6: Final answer
x = 1,639,525,161.75
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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.