Finding the Fourth Proportional to 2,864,787,289.81, 4,296,934,783 and 1,744,020,079.99
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Solution
The fourth proportional to 2,864,787,289.81, 4,296,934,783 and 1,744,020,079.99 is: 2,615,880,268.18
Step by Step Solution
- Step 1: Write the proportion equation
2,864,787,289.81 : 4,296,934,783 = 1,744,020,079.99 : x - Step 2: Convert to fraction form
2,864,787,289.81/4,296,934,783 = 1,744,020,079.99/x - Step 3: Cross multiply
2,864,787,289.81x = 4,296,934,783 × 1,744,020,079.99 - Step 4: Simplify right side
2,864,787,289.81x = 7,493,940,543,959,473,152 - Step 5: Solve for x
x = 7,493,940,543,959,473,152/2,864,787,289.81 - Step 6: Final answer
x = 2,615,880,268.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.