Finding the Fourth Proportional to 344,623,829.99, 475,580,308.79 and 187,990,936.97
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Solution
The fourth proportional to 344,623,829.99, 475,580,308.79 and 187,990,936.97 is: 259,427,178.49
Step by Step Solution
- Step 1: Write the proportion equation
344,623,829.99 : 475,580,308.79 = 187,990,936.97 : x - Step 2: Convert to fraction form
344,623,829.99/475,580,308.79 = 187,990,936.97/x - Step 3: Cross multiply
344,623,829.99x = 475,580,308.79 × 187,990,936.97 - Step 4: Simplify right side
344,623,829.99x = 89,404,787,852,006,112 - Step 5: Solve for x
x = 89,404,787,852,006,112/344,623,829.99 - Step 6: Final answer
x = 259,427,178.49
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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.