Finding the Fourth Proportional to 364,378,631.52, 502,830,004.86 and 207,796,134.68
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Solution
The fourth proportional to 364,378,631.52, 502,830,004.86 and 207,796,134.68 is: 286,751,533.62
Step by Step Solution
- Step 1: Write the proportion equation
364,378,631.52 : 502,830,004.86 = 207,796,134.68 : x - Step 2: Convert to fraction form
364,378,631.52/502,830,004.86 = 207,796,134.68/x - Step 3: Cross multiply
364,378,631.52x = 502,830,004.86 × 207,796,134.68 - Step 4: Simplify right side
364,378,631.52x = 104,486,131,408,519,472 - Step 5: Solve for x
x = 104,486,131,408,519,472/364,378,631.52 - Step 6: Final answer
x = 286,751,533.62
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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.