Finding the Fourth Proportional to 1,994,028,585.55, 2,988,369,283.12 and 1,551,905,138.49
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Solution
The fourth proportional to 1,994,028,585.55, 2,988,369,283.12 and 1,551,905,138.49 is: 2,325,776,912.02
Step by Step Solution
- Step 1: Write the proportion equation
1,994,028,585.55 : 2,988,369,283.12 = 1,551,905,138.49 : x - Step 2: Convert to fraction form
1,994,028,585.55/2,988,369,283.12 = 1,551,905,138.49/x - Step 3: Cross multiply
1,994,028,585.55x = 2,988,369,283.12 × 1,551,905,138.49 - Step 4: Simplify right side
1,994,028,585.55x = 4,637,665,646,179,605,504 - Step 5: Solve for x
x = 4,637,665,646,179,605,504/1,994,028,585.55 - Step 6: Final answer
x = 2,325,776,912.02
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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.