Finding the Fourth Proportional to 375,556,915.08, 562,937,781.26 and 126,324,911.79
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Solution
The fourth proportional to 375,556,915.08, 562,937,781.26 and 126,324,911.79 is: 189,353,631.12
Step by Step Solution
- Step 1: Write the proportion equation
375,556,915.08 : 562,937,781.26 = 126,324,911.79 : x - Step 2: Convert to fraction form
375,556,915.08/562,937,781.26 = 126,324,911.79/x - Step 3: Cross multiply
375,556,915.08x = 562,937,781.26 × 126,324,911.79 - Step 4: Simplify right side
375,556,915.08x = 71,113,065,560,927,816 - Step 5: Solve for x
x = 71,113,065,560,927,816/375,556,915.08 - Step 6: Final answer
x = 189,353,631.12
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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.