Finding the Fourth Proportional to 608,874,239.06, 840,246,455.94 and 330,415,762.60
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Solution
The fourth proportional to 608,874,239.06, 840,246,455.94 and 330,415,762.60 is: 455,973,755.66
Step by Step Solution
- Step 1: Write the proportion equation
608,874,239.06 : 840,246,455.94 = 330,415,762.60 : x - Step 2: Convert to fraction form
608,874,239.06/840,246,455.94 = 330,415,762.60/x - Step 3: Cross multiply
608,874,239.06x = 840,246,455.94 × 330,415,762.60 - Step 4: Simplify right side
608,874,239.06x = 277,630,673,511,362,432 - Step 5: Solve for x
x = 277,630,673,511,362,432/608,874,239.06 - Step 6: Final answer
x = 455,973,755.66
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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.