Finding the Fourth Proportional to 512,263,013.12, 706,923,186.36 and 277,313,666
Calculator
Solution
The fourth proportional to 512,263,013.12, 706,923,186.36 and 277,313,666 is: 382,692,982.65
Step by Step Solution
- Step 1: Write the proportion equation
512,263,013.12 : 706,923,186.36 = 277,313,666 : x - Step 2: Convert to fraction form
512,263,013.12/706,923,186.36 = 277,313,666/x - Step 3: Cross multiply
512,263,013.12x = 706,923,186.36 × 277,313,666 - Step 4: Simplify right side
512,263,013.12x = 196,039,460,389,892,800 - Step 5: Solve for x
x = 196,039,460,389,892,800/512,263,013.12 - Step 6: Final answer
x = 382,692,982.65
Related Problems
Find fourth proportional to 256,131,506.56, 353,461,593.18 and 138,656,833
Half scale
Find fourth proportional to 1,024,526,026.24, 1,413,846,372.72 and 554,627,332
Double scale
Find fourth proportional to 512,263,014.12, 706,923,187.74 and 277,313,667
Similar ratio
Find fourth proportional to 768,394,519.68, 1,060,384,779.54 and 415,970,499
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.