Finding the Fourth Proportional to 368,605,878.37, 508,672,673.23 and 201,342,075.53
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Solution
The fourth proportional to 368,605,878.37, 508,672,673.23 and 201,342,075.53 is: 277,850,185.80
Step by Step Solution
- Step 1: Write the proportion equation
368,605,878.37 : 508,672,673.23 = 201,342,075.53 : x - Step 2: Convert to fraction form
368,605,878.37/508,672,673.23 = 201,342,075.53/x - Step 3: Cross multiply
368,605,878.37x = 508,672,673.23 × 201,342,075.53 - Step 4: Simplify right side
368,605,878.37x = 102,417,211,792,514,960 - Step 5: Solve for x
x = 102,417,211,792,514,960/368,605,878.37 - Step 6: Final answer
x = 277,850,185.80
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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.