Finding the Fourth Proportional to 347,845,564.30, 521,768,346.45 and 330,839,452.30
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Solution
The fourth proportional to 347,845,564.30, 521,768,346.45 and 330,839,452.30 is: 496,259,178.45
Step by Step Solution
- Step 1: Write the proportion equation
347,845,564.30 : 521,768,346.45 = 330,839,452.30 : x - Step 2: Convert to fraction form
347,845,564.30/521,768,346.45 = 330,839,452.30/x - Step 3: Cross multiply
347,845,564.30x = 521,768,346.45 × 330,839,452.30 - Step 4: Simplify right side
347,845,564.30x = 172,621,553,966,994,656 - Step 5: Solve for x
x = 172,621,553,966,994,656/347,845,564.30 - Step 6: Final answer
x = 496,259,178.45
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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.