Finding the Fourth Proportional to 297,202,207.68, 445,751,490.96 and 78,874,623.36
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Solution
The fourth proportional to 297,202,207.68, 445,751,490.96 and 78,874,623.36 is: 118,298,182.36
Step by Step Solution
- Step 1: Write the proportion equation
297,202,207.68 : 445,751,490.96 = 78,874,623.36 : x - Step 2: Convert to fraction form
297,202,207.68/445,751,490.96 = 78,874,623.36/x - Step 3: Cross multiply
297,202,207.68x = 445,751,490.96 × 78,874,623.36 - Step 4: Simplify right side
297,202,207.68x = 35,158,480,961,628,444 - Step 5: Solve for x
x = 35,158,480,961,628,444/297,202,207.68 - Step 6: Final answer
x = 118,298,182.36
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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.