Finding the Fourth Proportional to 284,326,377.41, 392,362,874.21 and 158,879,604.15
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Solution
The fourth proportional to 284,326,377.41, 392,362,874.21 and 158,879,604.15 is: 219,249,647.91
Step by Step Solution
- Step 1: Write the proportion equation
284,326,377.41 : 392,362,874.21 = 158,879,604.15 : x - Step 2: Convert to fraction form
284,326,377.41/392,362,874.21 = 158,879,604.15/x - Step 3: Cross multiply
284,326,377.41x = 392,362,874.21 × 158,879,604.15 - Step 4: Simplify right side
284,326,377.41x = 62,338,458,136,846,648 - Step 5: Solve for x
x = 62,338,458,136,846,648/284,326,377.41 - Step 6: Final answer
x = 219,249,647.91
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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.