Finding the Fourth Proportional to 976,704,328.40, 1,465,056,492.60 and 845,190,395.60
Calculator
Solution
The fourth proportional to 976,704,328.40, 1,465,056,492.60 and 845,190,395.60 is: 1,267,785,593.40
Step by Step Solution
- Step 1: Write the proportion equation
976,704,328.40 : 1,465,056,492.60 = 845,190,395.60 : x - Step 2: Convert to fraction form
976,704,328.40/1,465,056,492.60 = 845,190,395.60/x - Step 3: Cross multiply
976,704,328.40x = 1,465,056,492.60 × 845,190,395.60 - Step 4: Simplify right side
976,704,328.40x = 1,238,251,676,556,942,336 - Step 5: Solve for x
x = 1,238,251,676,556,942,336/976,704,328.40 - Step 6: Final answer
x = 1,267,785,593.40
Related Problems
Find fourth proportional to 488,352,164.20, 732,528,246.30 and 422,595,197.80
Half scale
Find fourth proportional to 1,953,408,656.80, 2,930,112,985.20 and 1,690,380,791.20
Double scale
Find fourth proportional to 976,704,329.40, 1,465,056,494.10 and 845,190,396.60
Similar ratio
Find fourth proportional to 1,465,056,492.60, 2,197,584,738.90 and 1,267,785,593.40
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.