Finding the Fourth Proportional to 562,464,105.20, 843,696,157.80 and 239,305,986.80
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Solution
The fourth proportional to 562,464,105.20, 843,696,157.80 and 239,305,986.80 is: 358,958,980.20
Step by Step Solution
- Step 1: Write the proportion equation
562,464,105.20 : 843,696,157.80 = 239,305,986.80 : x - Step 2: Convert to fraction form
562,464,105.20/843,696,157.80 = 239,305,986.80/x - Step 3: Cross multiply
562,464,105.20x = 843,696,157.80 × 239,305,986.80 - Step 4: Simplify right side
562,464,105.20x = 201,901,541,601,697,504 - Step 5: Solve for x
x = 201,901,541,601,697,504/562,464,105.20 - Step 6: Final answer
x = 358,958,980.20
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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.