Finding the Fourth Proportional to 342,069,968.80, 513,104,953.20 and 299,023,247.80
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Solution
The fourth proportional to 342,069,968.80, 513,104,953.20 and 299,023,247.80 is: 448,534,871.70
Step by Step Solution
- Step 1: Write the proportion equation
342,069,968.80 : 513,104,953.20 = 299,023,247.80 : x - Step 2: Convert to fraction form
342,069,968.80/513,104,953.20 = 299,023,247.80/x - Step 3: Cross multiply
342,069,968.80x = 513,104,953.20 × 299,023,247.80 - Step 4: Simplify right side
342,069,968.80x = 153,430,309,568,131,008 - Step 5: Solve for x
x = 153,430,309,568,131,008/342,069,968.80 - Step 6: Final answer
x = 448,534,871.70
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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.