Finding the Fourth Proportional to 416,780,638.62, 625,261,237.29 and 125,623,404.06
Calculator
Solution
The fourth proportional to 416,780,638.62, 625,261,237.29 and 125,623,404.06 is: 188,462,317.53
Step by Step Solution
- Step 1: Write the proportion equation
416,780,638.62 : 625,261,237.29 = 125,623,404.06 : x - Step 2: Convert to fraction form
416,780,638.62/625,261,237.29 = 125,623,404.06/x - Step 3: Cross multiply
416,780,638.62x = 625,261,237.29 × 125,623,404.06 - Step 4: Simplify right side
416,780,638.62x = 78,547,445,055,137,200 - Step 5: Solve for x
x = 78,547,445,055,137,200/416,780,638.62 - Step 6: Final answer
x = 188,462,317.53
Related Problems
Find fourth proportional to 208,390,319.31, 312,630,618.65 and 62,811,702.03
Half scale
Find fourth proportional to 833,561,277.24, 1,250,522,474.58 and 251,246,808.12
Double scale
Find fourth proportional to 416,780,639.62, 625,261,238.79 and 125,623,405.06
Similar ratio
Find fourth proportional to 625,170,957.93, 937,891,855.94 and 188,435,106.09
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.