Finding the Fourth Proportional to 1,676,698,200.87, 2,313,776,150.99 and 913,726,069.08
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Solution
The fourth proportional to 1,676,698,200.87, 2,313,776,150.99 and 913,726,069.08 is: 1,260,905,263.73
Step by Step Solution
- Step 1: Write the proportion equation
1,676,698,200.87 : 2,313,776,150.99 = 913,726,069.08 : x - Step 2: Convert to fraction form
1,676,698,200.87/2,313,776,150.99 = 913,726,069.08/x - Step 3: Cross multiply
1,676,698,200.87x = 2,313,776,150.99 × 913,726,069.08 - Step 4: Simplify right side
1,676,698,200.87x = 2,114,157,587,167,016,704 - Step 5: Solve for x
x = 2,114,157,587,167,016,704/1,676,698,200.87 - Step 6: Final answer
x = 1,260,905,263.73
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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.