Finding the Fourth Proportional to 499,416,809.60, 700,331,446 and 499,416,809.60
Calculator
Solution
The fourth proportional to 499,416,809.60, 700,331,446 and 499,416,809.60 is: 700,331,446
Step by Step Solution
- Step 1: Write the proportion equation
499,416,809.60 : 700,331,446 = 499,416,809.60 : x - Step 2: Convert to fraction form
499,416,809.60/700,331,446 = 499,416,809.60/x - Step 3: Cross multiply
499,416,809.60x = 700,331,446 × 499,416,809.60 - Step 4: Simplify right side
499,416,809.60x = 349,757,296,423,874,688 - Step 5: Solve for x
x = 349,757,296,423,874,688/499,416,809.60 - Step 6: Final answer
x = 700,331,446
Related Problems
Find fourth proportional to 249,708,404.80, 350,165,723 and 249,708,404.80
Half scale
Find fourth proportional to 998,833,619.20, 1,400,662,892 and 998,833,619.20
Double scale
Find fourth proportional to 499,416,810.60, 700,331,447.40 and 499,416,810.60
Similar ratio
Find fourth proportional to 749,125,214.40, 1,050,497,169 and 749,125,214.40
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.