Finding the Fourth Proportional to 432,652,941.76, 648,979,414.80 and 105,126,772
Calculator
Solution
The fourth proportional to 432,652,941.76, 648,979,414.80 and 105,126,772 is: 157,690,158.52
Step by Step Solution
- Step 1: Write the proportion equation
432,652,941.76 : 648,979,414.80 = 105,126,772 : x - Step 2: Convert to fraction form
432,652,941.76/648,979,414.80 = 105,126,772/x - Step 3: Cross multiply
432,652,941.76x = 648,979,414.80 × 105,126,772 - Step 4: Simplify right side
432,652,941.76x = 68,225,110,972,373,024 - Step 5: Solve for x
x = 68,225,110,972,373,024/432,652,941.76 - Step 6: Final answer
x = 157,690,158.52
Related Problems
Find fourth proportional to 216,326,470.88, 324,489,707.40 and 52,563,386
Half scale
Find fourth proportional to 865,305,883.52, 1,297,958,829.60 and 210,253,544
Double scale
Find fourth proportional to 432,652,942.76, 648,979,416.30 and 105,126,773
Similar ratio
Find fourth proportional to 648,979,412.64, 973,469,122.20 and 157,690,158
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.