Finding the Fourth Proportional to 368,365,630.99, 508,346,194.41 and 203,354,556.43
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Solution
The fourth proportional to 368,365,630.99, 508,346,194.41 and 203,354,556.43 is: 280,630,184.20
Step by Step Solution
- Step 1: Write the proportion equation
368,365,630.99 : 508,346,194.41 = 203,354,556.43 : x - Step 2: Convert to fraction form
368,365,630.99/508,346,194.41 = 203,354,556.43/x - Step 3: Cross multiply
368,365,630.99x = 508,346,194.41 × 203,354,556.43 - Step 4: Simplify right side
368,365,630.99x = 103,374,514,877,124,112 - Step 5: Solve for x
x = 103,374,514,877,124,112/368,365,630.99 - Step 6: Final answer
x = 280,630,184.20
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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.