Finding the Fourth Proportional to 473,218,685.60, 709,720,719.28 and 214,262,955.68
Calculator
Solution
The fourth proportional to 473,218,685.60, 709,720,719.28 and 214,262,955.68 is: 321,345,846.32
Step by Step Solution
- Step 1: Write the proportion equation
473,218,685.60 : 709,720,719.28 = 214,262,955.68 : x - Step 2: Convert to fraction form
473,218,685.60/709,720,719.28 = 214,262,955.68/x - Step 3: Cross multiply
473,218,685.60x = 709,720,719.28 × 214,262,955.68 - Step 4: Simplify right side
473,218,685.60x = 152,066,859,020,268,352 - Step 5: Solve for x
x = 152,066,859,020,268,352/473,218,685.60 - Step 6: Final answer
x = 321,345,846.32
Related Problems
Find fourth proportional to 236,609,342.80, 354,860,359.64 and 107,131,477.84
Half scale
Find fourth proportional to 946,437,371.20, 1,419,441,438.56 and 428,525,911.36
Double scale
Find fourth proportional to 473,218,686.60, 709,720,720.78 and 214,262,956.68
Similar ratio
Find fourth proportional to 709,828,028.40, 1,064,581,078.92 and 321,394,433.52
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.