Finding the Fourth Proportional to 13,280,331,227.36, 19,923,990,813.43 and 4,772,573,506.09
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Solution
The fourth proportional to 13,280,331,227.36, 19,923,990,813.43 and 4,772,573,506.09 is: 7,160,115,893.49
Step by Step Solution
- Step 1: Write the proportion equation
13,280,331,227.36 : 19,923,990,813.43 = 4,772,573,506.09 : x - Step 2: Convert to fraction form
13,280,331,227.36/19,923,990,813.43 = 4,772,573,506.09/x - Step 3: Cross multiply
13,280,331,227.36x = 19,923,990,813.43 × 4,772,573,506.09 - Step 4: Simplify right side
13,280,331,227.36x = 95,088,710,691,821,928,448 - Step 5: Solve for x
x = 95,088,710,691,821,928,448/13,280,331,227.36 - Step 6: Final answer
x = 7,160,115,893.49
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1.5x scale
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.