Finding the Fourth Proportional to 364,727,364.84, 503,323,871.76 and 197,463,592.80
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Solution
The fourth proportional to 364,727,364.84, 503,323,871.76 and 197,463,592.80 is: 272,499,816.69
Step by Step Solution
- Step 1: Write the proportion equation
364,727,364.84 : 503,323,871.76 = 197,463,592.80 : x - Step 2: Convert to fraction form
364,727,364.84/503,323,871.76 = 197,463,592.80/x - Step 3: Cross multiply
364,727,364.84x = 503,323,871.76 × 197,463,592.80 - Step 4: Simplify right side
364,727,364.84x = 99,388,140,059,736,064 - Step 5: Solve for x
x = 99,388,140,059,736,064/364,727,364.84 - Step 6: Final answer
x = 272,499,816.69
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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.