Finding the Fourth Proportional to 344,623,843.74, 475,580,327.76 and 187,990,950.66
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Solution
The fourth proportional to 344,623,843.74, 475,580,327.76 and 187,990,950.66 is: 259,427,197.38
Step by Step Solution
- Step 1: Write the proportion equation
344,623,843.74 : 475,580,327.76 = 187,990,950.66 : x - Step 2: Convert to fraction form
344,623,843.74/475,580,327.76 = 187,990,950.66/x - Step 3: Cross multiply
344,623,843.74x = 475,580,327.76 × 187,990,950.66 - Step 4: Simplify right side
344,623,843.74x = 89,404,797,930,796,784 - Step 5: Solve for x
x = 89,404,797,930,796,784/344,623,843.74 - Step 6: Final answer
x = 259,427,197.38
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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.