Finding the Fourth Proportional to 2,286,239,818.09, 3,149,132,448.05 and 1,616,032,639.45
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Solution
The fourth proportional to 2,286,239,818.09, 3,149,132,448.05 and 1,616,032,639.45 is: 2,225,969,813.72
Step by Step Solution
- Step 1: Write the proportion equation
2,286,239,818.09 : 3,149,132,448.05 = 1,616,032,639.45 : x - Step 2: Convert to fraction form
2,286,239,818.09/3,149,132,448.05 = 1,616,032,639.45/x - Step 3: Cross multiply
2,286,239,818.09x = 3,149,132,448.05 × 1,616,032,639.45 - Step 4: Simplify right side
2,286,239,818.09x = 5,089,100,821,991,801,856 - Step 5: Solve for x
x = 5,089,100,821,991,801,856/2,286,239,818.09 - Step 6: Final answer
x = 2,225,969,813.72
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1.5x scale
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.