Finding the Fourth Proportional to 360,676,338.55, 497,691,356.71 and 201,915,155.03
Calculator
Solution
The fourth proportional to 360,676,338.55, 497,691,356.71 and 201,915,155.03 is: 278,619,406.67
Step by Step Solution
- Step 1: Write the proportion equation
360,676,338.55 : 497,691,356.71 = 201,915,155.03 : x - Step 2: Convert to fraction form
360,676,338.55/497,691,356.71 = 201,915,155.03/x - Step 3: Cross multiply
360,676,338.55x = 497,691,356.71 × 201,915,155.03 - Step 4: Simplify right side
360,676,338.55x = 100,491,427,447,190,672 - Step 5: Solve for x
x = 100,491,427,447,190,672/360,676,338.55 - Step 6: Final answer
x = 278,619,406.67
Related Problems
Find fourth proportional to 180,338,169.28, 248,845,678.36 and 100,957,577.52
Half scale
Find fourth proportional to 721,352,677.10, 995,382,713.42 and 403,830,310.06
Double scale
Find fourth proportional to 360,676,339.55, 497,691,358.09 and 201,915,156.03
Similar ratio
Find fourth proportional to 541,014,507.83, 746,537,035.07 and 302,872,732.55
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.