Finding the Fourth Proportional to 9,981,605,656.76, 14,948,640,305.36 and 5,775,694,642.37
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Solution
The fourth proportional to 9,981,605,656.76, 14,948,640,305.36 and 5,775,694,642.37 is: 8,649,788,890.83
Step by Step Solution
- Step 1: Write the proportion equation
9,981,605,656.76 : 14,948,640,305.36 = 5,775,694,642.37 : x - Step 2: Convert to fraction form
9,981,605,656.76/14,948,640,305.36 = 5,775,694,642.37/x - Step 3: Cross multiply
9,981,605,656.76x = 14,948,640,305.36 × 5,775,694,642.37 - Step 4: Simplify right side
9,981,605,656.76x = 86,338,781,722,438,696,960 - Step 5: Solve for x
x = 86,338,781,722,438,696,960/9,981,605,656.76 - Step 6: Final answer
x = 8,649,788,890.83
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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.