Finding the Fourth Proportional to 562,074,579.60, 775,646,260.20 and 311,190,154.08
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Solution
The fourth proportional to 562,074,579.60, 775,646,260.20 and 311,190,154.08 is: 429,433,189.09
Step by Step Solution
- Step 1: Write the proportion equation
562,074,579.60 : 775,646,260.20 = 311,190,154.08 : x - Step 2: Convert to fraction form
562,074,579.60/775,646,260.20 = 311,190,154.08/x - Step 3: Cross multiply
562,074,579.60x = 775,646,260.20 × 311,190,154.08 - Step 4: Simplify right side
562,074,579.60x = 241,373,479,223,213,760 - Step 5: Solve for x
x = 241,373,479,223,213,760/562,074,579.60 - Step 6: Final answer
x = 429,433,189.09
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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.