Finding the Fourth Proportional to 5,125,480,365.36, 7,684,083,176.43 and 4,711,765,255.51
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Solution
The fourth proportional to 5,125,480,365.36, 7,684,083,176.43 and 4,711,765,255.51 is: 7,063,844,469.26
Step by Step Solution
- Step 1: Write the proportion equation
5,125,480,365.36 : 7,684,083,176.43 = 4,711,765,255.51 : x - Step 2: Convert to fraction form
5,125,480,365.36/7,684,083,176.43 = 4,711,765,255.51/x - Step 3: Cross multiply
5,125,480,365.36x = 7,684,083,176.43 × 4,711,765,255.51 - Step 4: Simplify right side
5,125,480,365.36x = 36,205,596,131,151,794,176 - Step 5: Solve for x
x = 36,205,596,131,151,794,176/5,125,480,365.36 - Step 6: Final answer
x = 7,063,844,469.26
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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.