Finding the Fourth Proportional to 672,346,588.86, 927,839,530.80 and 375,007,995.99
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Solution
The fourth proportional to 672,346,588.86, 927,839,530.80 and 375,007,995.99 is: 517,511,725.07
Step by Step Solution
- Step 1: Write the proportion equation
672,346,588.86 : 927,839,530.80 = 375,007,995.99 : x - Step 2: Convert to fraction form
672,346,588.86/927,839,530.80 = 375,007,995.99/x - Step 3: Cross multiply
672,346,588.86x = 927,839,530.80 × 375,007,995.99 - Step 4: Simplify right side
672,346,588.86x = 347,947,243,045,609,856 - Step 5: Solve for x
x = 347,947,243,045,609,856/672,346,588.86 - Step 6: Final answer
x = 517,511,725.07
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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.