Finding the Fourth Proportional to 292,187,409, 403,231,299.36 and 161,807,217
Calculator
Solution
The fourth proportional to 292,187,409, 403,231,299.36 and 161,807,217 is: 223,300,978.57
Step by Step Solution
- Step 1: Write the proportion equation
292,187,409 : 403,231,299.36 = 161,807,217 : x - Step 2: Convert to fraction form
292,187,409/403,231,299.36 = 161,807,217/x - Step 3: Cross multiply
292,187,409x = 403,231,299.36 × 161,807,217 - Step 4: Simplify right side
292,187,409x = 65,245,734,356,735,480 - Step 5: Solve for x
x = 65,245,734,356,735,480/292,187,409 - Step 6: Final answer
x = 223,300,978.57
Related Problems
Find fourth proportional to 146,093,704.50, 201,615,649.68 and 80,903,608.50
Half scale
Find fourth proportional to 584,374,818, 806,462,598.72 and 323,614,434
Double scale
Find fourth proportional to 292,187,410, 403,231,300.74 and 161,807,218
Similar ratio
Find fourth proportional to 438,281,113.50, 604,846,949.04 and 242,710,825.50
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.