Finding the Fourth Proportional to 364,523,150.76, 502,881,643.60 and 213,738,841.99
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Solution
The fourth proportional to 364,523,150.76, 502,881,643.60 and 213,738,841.99 is: 294,865,607.12
Step by Step Solution
- Step 1: Write the proportion equation
364,523,150.76 : 502,881,643.60 = 213,738,841.99 : x - Step 2: Convert to fraction form
364,523,150.76/502,881,643.60 = 213,738,841.99/x - Step 3: Cross multiply
364,523,150.76x = 502,881,643.60 × 213,738,841.99 - Step 4: Simplify right side
364,523,150.76x = 107,485,340,159,560,416 - Step 5: Solve for x
x = 107,485,340,159,560,416/364,523,150.76 - Step 6: Final answer
x = 294,865,607.12
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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.