Finding the Fourth Proportional to 5,752,352,998.24, 7,943,729,625.76 and 5,438,968,385.33
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Solution
The fourth proportional to 5,752,352,998.24, 7,943,729,625.76 and 5,438,968,385.33 is: 7,510,960,177.40
Step by Step Solution
- Step 1: Write the proportion equation
5,752,352,998.24 : 7,943,729,625.76 = 5,438,968,385.33 : x - Step 2: Convert to fraction form
5,752,352,998.24/7,943,729,625.76 = 5,438,968,385.33/x - Step 3: Cross multiply
5,752,352,998.24x = 7,943,729,625.76 × 5,438,968,385.33 - Step 4: Simplify right side
5,752,352,998.24x = 43,205,694,296,117,952,512 - Step 5: Solve for x
x = 43,205,694,296,117,952,512/5,752,352,998.24 - Step 6: Final answer
x = 7,510,960,177.40
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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.