Finding the Fourth Proportional to 5,255,813,484.48, 7,253,024,879.04 and 2,876,964,989.28
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Solution
The fourth proportional to 5,255,813,484.48, 7,253,024,879.04 and 2,876,964,989.28 is: 3,970,212,928.03
Step by Step Solution
- Step 1: Write the proportion equation
5,255,813,484.48 : 7,253,024,879.04 = 2,876,964,989.28 : x - Step 2: Convert to fraction form
5,255,813,484.48/7,253,024,879.04 = 2,876,964,989.28/x - Step 3: Cross multiply
5,255,813,484.48x = 7,253,024,879.04 × 2,876,964,989.28 - Step 4: Simplify right side
5,255,813,484.48x = 20,866,698,643,374,886,912 - Step 5: Solve for x
x = 20,866,698,643,374,886,912/5,255,813,484.48 - Step 6: Final answer
x = 3,970,212,928.03
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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.