Finding the Fourth Proportional to 1,477,970,272.24, 2,039,515,991.10 and 808,913,953.96
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Solution
The fourth proportional to 1,477,970,272.24, 2,039,515,991.10 and 808,913,953.96 is: 1,116,255,837.83
Step by Step Solution
- Step 1: Write the proportion equation
1,477,970,272.24 : 2,039,515,991.10 = 808,913,953.96 : x - Step 2: Convert to fraction form
1,477,970,272.24/2,039,515,991.10 = 808,913,953.96/x - Step 3: Cross multiply
1,477,970,272.24x = 2,039,515,991.10 × 808,913,953.96 - Step 4: Simplify right side
1,477,970,272.24x = 1,649,792,944,525,349,120 - Step 5: Solve for x
x = 1,649,792,944,525,349,120/1,477,970,272.24 - Step 6: Final answer
x = 1,116,255,837.83
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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.