Finding the Fourth Proportional to 286,683,985.26, 395,657,486.73 and 162,943,262.82
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Solution
The fourth proportional to 286,683,985.26, 395,657,486.73 and 162,943,262.82 is: 224,880,792.66
Step by Step Solution
- Step 1: Write the proportion equation
286,683,985.26 : 395,657,486.73 = 162,943,262.82 : x - Step 2: Convert to fraction form
286,683,985.26/395,657,486.73 = 162,943,262.82/x - Step 3: Cross multiply
286,683,985.26x = 395,657,486.73 × 162,943,262.82 - Step 4: Simplify right side
286,683,985.26x = 64,469,721,846,947,056 - Step 5: Solve for x
x = 64,469,721,846,947,056/286,683,985.26 - Step 6: Final answer
x = 224,880,792.66
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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.