Finding the Fourth Proportional to 2,591,836,582.68, 3,575,416,790.91 and 1,574,291,233.02
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Solution
The fourth proportional to 2,591,836,582.68, 3,575,416,790.91 and 1,574,291,233.02 is: 2,171,721,529.80
Step by Step Solution
- Step 1: Write the proportion equation
2,591,836,582.68 : 3,575,416,790.91 = 1,574,291,233.02 : x - Step 2: Convert to fraction form
2,591,836,582.68/3,575,416,790.91 = 1,574,291,233.02/x - Step 3: Cross multiply
2,591,836,582.68x = 3,575,416,790.91 × 1,574,291,233.02 - Step 4: Simplify right side
2,591,836,582.68x = 5,628,747,308,322,115,584 - Step 5: Solve for x
x = 5,628,747,308,322,115,584/2,591,836,582.68 - Step 6: Final answer
x = 2,171,721,529.80
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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.