Finding the Fourth Proportional to 284,326,387.99, 392,362,888.82 and 158,879,614.73
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Solution
The fourth proportional to 284,326,387.99, 392,362,888.82 and 158,879,614.73 is: 219,249,662.50
Step by Step Solution
- Step 1: Write the proportion equation
284,326,387.99 : 392,362,888.82 = 158,879,614.73 : x - Step 2: Convert to fraction form
284,326,387.99/392,362,888.82 = 158,879,614.73/x - Step 3: Cross multiply
284,326,387.99x = 392,362,888.82 × 158,879,614.73 - Step 4: Simplify right side
284,326,387.99x = 62,338,464,607,315,208 - Step 5: Solve for x
x = 62,338,464,607,315,208/284,326,387.99 - Step 6: Final answer
x = 219,249,662.50
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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.