Finding the Fourth Proportional to 793,313,763.80, 1,189,970,645.70 and 470,827,491.80
Calculator
Solution
The fourth proportional to 793,313,763.80, 1,189,970,645.70 and 470,827,491.80 is: 706,241,237.70
Step by Step Solution
- Step 1: Write the proportion equation
793,313,763.80 : 1,189,970,645.70 = 470,827,491.80 : x - Step 2: Convert to fraction form
793,313,763.80/1,189,970,645.70 = 470,827,491.80/x - Step 3: Cross multiply
793,313,763.80x = 1,189,970,645.70 × 470,827,491.80 - Step 4: Simplify right side
793,313,763.80x = 560,270,894,430,557,504 - Step 5: Solve for x
x = 560,270,894,430,557,504/793,313,763.80 - Step 6: Final answer
x = 706,241,237.70
Related Problems
Find fourth proportional to 396,656,881.90, 594,985,322.85 and 235,413,745.90
Half scale
Find fourth proportional to 1,586,627,527.60, 2,379,941,291.40 and 941,654,983.60
Double scale
Find fourth proportional to 793,313,764.80, 1,189,970,647.20 and 470,827,492.80
Similar ratio
Find fourth proportional to 1,189,970,645.70, 1,784,955,968.55 and 706,241,237.70
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.