Finding the Fourth Proportional to 1,361,427,235.04, 2,042,734,846.73 and 476,747,557.55
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Solution
The fourth proportional to 1,361,427,235.04, 2,042,734,846.73 and 476,747,557.55 is: 715,329,342.49
Step by Step Solution
- Step 1: Write the proportion equation
1,361,427,235.04 : 2,042,734,846.73 = 476,747,557.55 : x - Step 2: Convert to fraction form
1,361,427,235.04/2,042,734,846.73 = 476,747,557.55/x - Step 3: Cross multiply
1,361,427,235.04x = 2,042,734,846.73 × 476,747,557.55 - Step 4: Simplify right side
1,361,427,235.04x = 973,868,848,888,203,648 - Step 5: Solve for x
x = 973,868,848,888,203,648/1,361,427,235.04 - Step 6: Final answer
x = 715,329,342.49
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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.