Finding the Fourth Proportional to 213,050,397.39, 294,212,602.58 and 201,443,559.18
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Solution
The fourth proportional to 213,050,397.39, 294,212,602.58 and 201,443,559.18 is: 278,184,103.59
Step by Step Solution
- Step 1: Write the proportion equation
213,050,397.39 : 294,212,602.58 = 201,443,559.18 : x - Step 2: Convert to fraction form
213,050,397.39/294,212,602.58 = 201,443,559.18/x - Step 3: Cross multiply
213,050,397.39x = 294,212,602.58 × 201,443,559.18 - Step 4: Simplify right side
213,050,397.39x = 59,267,233,818,318,832 - Step 5: Solve for x
x = 59,267,233,818,318,832/213,050,397.39 - Step 6: Final answer
x = 278,184,103.59
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1.5x scale
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.