Finding the Fourth Proportional to 608,363,942.24, 839,542,462.72 and 329,905,390.88
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Solution
The fourth proportional to 608,363,942.24, 839,542,462.72 and 329,905,390.88 is: 455,269,560.03
Step by Step Solution
- Step 1: Write the proportion equation
608,363,942.24 : 839,542,462.72 = 329,905,390.88 : x - Step 2: Convert to fraction form
608,363,942.24/839,542,462.72 = 329,905,390.88/x - Step 3: Cross multiply
608,363,942.24x = 839,542,462.72 × 329,905,390.88 - Step 4: Simplify right side
608,363,942.24x = 276,969,584,323,999,424 - Step 5: Solve for x
x = 276,969,584,323,999,424/608,363,942.24 - Step 6: Final answer
x = 455,269,560.03
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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.