Finding the Fourth Proportional to 1,668,955,806, 2,303,043,727.68 and 926,341,410.24
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Solution
The fourth proportional to 1,668,955,806, 2,303,043,727.68 and 926,341,410.24 is: 1,278,287,158.28
Step by Step Solution
- Step 1: Write the proportion equation
1,668,955,806 : 2,303,043,727.68 = 926,341,410.24 : x - Step 2: Convert to fraction form
1,668,955,806/2,303,043,727.68 = 926,341,410.24/x - Step 3: Cross multiply
1,668,955,806x = 2,303,043,727.68 × 926,341,410.24 - Step 4: Simplify right side
1,668,955,806x = 2,133,404,774,543,477,504 - Step 5: Solve for x
x = 2,133,404,774,543,477,504/1,668,955,806 - Step 6: Final answer
x = 1,278,287,158.28
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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.