Finding the Fourth Proportional to 608,874,241.06, 840,246,458.70 and 330,415,764.60
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Solution
The fourth proportional to 608,874,241.06, 840,246,458.70 and 330,415,764.60 is: 455,973,758.42
Step by Step Solution
- Step 1: Write the proportion equation
608,874,241.06 : 840,246,458.70 = 330,415,764.60 : x - Step 2: Convert to fraction form
608,874,241.06/840,246,458.70 = 330,415,764.60/x - Step 3: Cross multiply
608,874,241.06x = 840,246,458.70 × 330,415,764.60 - Step 4: Simplify right side
608,874,241.06x = 277,630,676,103,802,848 - Step 5: Solve for x
x = 277,630,676,103,802,848/608,874,241.06 - Step 6: Final answer
x = 455,973,758.42
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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.