Finding the Fourth Proportional to 352,351,173.96, 486,134,920.44 and 203,618,109.96
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Solution
The fourth proportional to 352,351,173.96, 486,134,920.44 and 203,618,109.96 is: 280,929,598.09
Step by Step Solution
- Step 1: Write the proportion equation
352,351,173.96 : 486,134,920.44 = 203,618,109.96 : x - Step 2: Convert to fraction form
352,351,173.96/486,134,920.44 = 203,618,109.96/x - Step 3: Cross multiply
352,351,173.96x = 486,134,920.44 × 203,618,109.96 - Step 4: Simplify right side
352,351,173.96x = 98,985,873,685,547,776 - Step 5: Solve for x
x = 98,985,873,685,547,776/352,351,173.96 - Step 6: Final answer
x = 280,929,598.09
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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.