Finding the Fourth Proportional to 3,831,088,176.36, 5,289,515,830.98 and 2,478,001,945.68
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Solution
The fourth proportional to 3,831,088,176.36, 5,289,515,830.98 and 2,478,001,945.68 is: 3,421,333,552.63
Step by Step Solution
- Step 1: Write the proportion equation
3,831,088,176.36 : 5,289,515,830.98 = 2,478,001,945.68 : x - Step 2: Convert to fraction form
3,831,088,176.36/5,289,515,830.98 = 2,478,001,945.68/x - Step 3: Cross multiply
3,831,088,176.36x = 5,289,515,830.98 × 2,478,001,945.68 - Step 4: Simplify right side
3,831,088,176.36x = 13,107,430,520,873,598,976 - Step 5: Solve for x
x = 13,107,430,520,873,598,976/3,831,088,176.36 - Step 6: Final answer
x = 3,421,333,552.63
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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.