Finding the Fourth Proportional to 2,205,758,028.48, 3,043,936,881.12 and 1,215,681,082.56
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Solution
The fourth proportional to 2,205,758,028.48, 3,043,936,881.12 and 1,215,681,082.56 is: 1,677,634,824.45
Step by Step Solution
- Step 1: Write the proportion equation
2,205,758,028.48 : 3,043,936,881.12 = 1,215,681,082.56 : x - Step 2: Convert to fraction form
2,205,758,028.48/3,043,936,881.12 = 1,215,681,082.56/x - Step 3: Cross multiply
2,205,758,028.48x = 3,043,936,881.12 × 1,215,681,082.56 - Step 4: Simplify right side
2,205,758,028.48x = 3,700,456,482,884,271,104 - Step 5: Solve for x
x = 3,700,456,482,884,271,104/2,205,758,028.48 - Step 6: Final answer
x = 1,677,634,824.45
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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.