Finding the Fourth Proportional to 395,283,284.85, 545,490,984.81 and 219,082,656.05
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Solution
The fourth proportional to 395,283,284.85, 545,490,984.81 and 219,082,656.05 is: 302,334,094.01
Step by Step Solution
- Step 1: Write the proportion equation
395,283,284.85 : 545,490,984.81 = 219,082,656.05 : x - Step 2: Convert to fraction form
395,283,284.85/545,490,984.81 = 219,082,656.05/x - Step 3: Cross multiply
395,283,284.85x = 545,490,984.81 × 219,082,656.05 - Step 4: Simplify right side
395,283,284.85x = 119,507,613,802,409,584 - Step 5: Solve for x
x = 119,507,613,802,409,584/395,283,284.85 - Step 6: Final answer
x = 302,334,094.01
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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.