Finding the Fourth Proportional to 1,477,970,274.24, 2,039,515,993.86 and 808,913,955.96
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Solution
The fourth proportional to 1,477,970,274.24, 2,039,515,993.86 and 808,913,955.96 is: 1,116,255,840.59
Step by Step Solution
- Step 1: Write the proportion equation
1,477,970,274.24 : 2,039,515,993.86 = 808,913,955.96 : x - Step 2: Convert to fraction form
1,477,970,274.24/2,039,515,993.86 = 808,913,955.96/x - Step 3: Cross multiply
1,477,970,274.24x = 2,039,515,993.86 × 808,913,955.96 - Step 4: Simplify right side
1,477,970,274.24x = 1,649,792,950,836,983,552 - Step 5: Solve for x
x = 1,649,792,950,836,983,552/1,477,970,274.24 - Step 6: Final answer
x = 1,116,255,840.59
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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.