Finding the Fourth Proportional to 364,507,322.19, 503,021,437.91 and 197,243,584.74
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Solution
The fourth proportional to 364,507,322.19, 503,021,437.91 and 197,243,584.74 is: 272,196,868.41
Step by Step Solution
- Step 1: Write the proportion equation
364,507,322.19 : 503,021,437.91 = 197,243,584.74 : x - Step 2: Convert to fraction form
364,507,322.19/503,021,437.91 = 197,243,584.74/x - Step 3: Cross multiply
364,507,322.19x = 503,021,437.91 × 197,243,584.74 - Step 4: Simplify right side
364,507,322.19x = 99,217,751,614,437,744 - Step 5: Solve for x
x = 99,217,751,614,437,744/364,507,322.19 - Step 6: Final answer
x = 272,196,868.41
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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.