Finding the Fourth Proportional to 338,320,512.60, 507,480,768.90 and 202,271,616.60
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Solution
The fourth proportional to 338,320,512.60, 507,480,768.90 and 202,271,616.60 is: 303,407,424.90
Step by Step Solution
- Step 1: Write the proportion equation
338,320,512.60 : 507,480,768.90 = 202,271,616.60 : x - Step 2: Convert to fraction form
338,320,512.60/507,480,768.90 = 202,271,616.60/x - Step 3: Cross multiply
338,320,512.60x = 507,480,768.90 × 202,271,616.60 - Step 4: Simplify right side
338,320,512.60x = 102,648,955,518,814,000 - Step 5: Solve for x
x = 102,648,955,518,814,000/338,320,512.60 - Step 6: Final answer
x = 303,407,424.90
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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.