Finding the Fourth Proportional to 364,378,619.52, 502,829,988.30 and 207,796,122.68
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Solution
The fourth proportional to 364,378,619.52, 502,829,988.30 and 207,796,122.68 is: 286,751,517.07
Step by Step Solution
- Step 1: Write the proportion equation
364,378,619.52 : 502,829,988.30 = 207,796,122.68 : x - Step 2: Convert to fraction form
364,378,619.52/502,829,988.30 = 207,796,122.68/x - Step 3: Cross multiply
364,378,619.52x = 502,829,988.30 × 207,796,122.68 - Step 4: Simplify right side
364,378,619.52x = 104,486,121,933,455,616 - Step 5: Solve for x
x = 104,486,121,933,455,616/364,378,619.52 - Step 6: Final answer
x = 286,751,517.07
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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.