Finding the Fourth Proportional to 8,627,542,905.97, 11,905,892,801.04 and 4,817,124,550.05
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Solution
The fourth proportional to 8,627,542,905.97, 11,905,892,801.04 and 4,817,124,550.05 is: 6,647,566,882.86
Step by Step Solution
- Step 1: Write the proportion equation
8,627,542,905.97 : 11,905,892,801.04 = 4,817,124,550.05 : x - Step 2: Convert to fraction form
8,627,542,905.97/11,905,892,801.04 = 4,817,124,550.05/x - Step 3: Cross multiply
8,627,542,905.97x = 11,905,892,801.04 × 4,817,124,550.05 - Step 4: Simplify right side
8,627,542,905.97x = 57,352,168,502,153,347,072 - Step 5: Solve for x
x = 57,352,168,502,153,347,072/8,627,542,905.97 - Step 6: Final answer
x = 6,647,566,882.86
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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.