Finding the Fourth Proportional to 3,963,139,551.40, 5,944,709,327.10 and 1,202,764,138.60
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Solution
The fourth proportional to 3,963,139,551.40, 5,944,709,327.10 and 1,202,764,138.60 is: 1,804,146,207.90
Step by Step Solution
- Step 1: Write the proportion equation
3,963,139,551.40 : 5,944,709,327.10 = 1,202,764,138.60 : x - Step 2: Convert to fraction form
3,963,139,551.40/5,944,709,327.10 = 1,202,764,138.60/x - Step 3: Cross multiply
3,963,139,551.40x = 5,944,709,327.10 × 1,202,764,138.60 - Step 4: Simplify right side
3,963,139,551.40x = 7,150,083,193,036,817,408 - Step 5: Solve for x
x = 7,150,083,193,036,817,408/3,963,139,551.40 - Step 6: Final answer
x = 1,804,146,207.90
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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.