Finding the Fourth Proportional to 251,937,331.21, 347,822,655.29 and 223,982,828.92
Calculator
Solution
The fourth proportional to 251,937,331.21, 347,822,655.29 and 223,982,828.92 is: 309,228,894.03
Step by Step Solution
- Step 1: Write the proportion equation
251,937,331.21 : 347,822,655.29 = 223,982,828.92 : x - Step 2: Convert to fraction form
251,937,331.21/347,822,655.29 = 223,982,828.92/x - Step 3: Cross multiply
251,937,331.21x = 347,822,655.29 × 223,982,828.92 - Step 4: Simplify right side
251,937,331.21x = 77,906,302,294,880,160 - Step 5: Solve for x
x = 77,906,302,294,880,160/251,937,331.21 - Step 6: Final answer
x = 309,228,894.03
Related Problems
Find fourth proportional to 125,968,665.61, 173,911,327.65 and 111,991,414.46
Half scale
Find fourth proportional to 503,874,662.42, 695,645,310.59 and 447,965,657.84
Double scale
Find fourth proportional to 251,937,332.21, 347,822,656.67 and 223,982,829.92
Similar ratio
Find fourth proportional to 377,905,996.82, 521,733,982.94 and 335,974,243.38
1.5x scale
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.