Finding the Fourth Proportional to 332,539,362.78, 458,920,315.35 and 183,857,732.70
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Solution
The fourth proportional to 332,539,362.78, 458,920,315.35 and 183,857,732.70 is: 253,732,514.45
Step by Step Solution
- Step 1: Write the proportion equation
332,539,362.78 : 458,920,315.35 = 183,857,732.70 : x - Step 2: Convert to fraction form
332,539,362.78/458,920,315.35 = 183,857,732.70/x - Step 3: Cross multiply
332,539,362.78x = 458,920,315.35 × 183,857,732.70 - Step 4: Simplify right side
332,539,362.78x = 84,376,048,670,220,000 - Step 5: Solve for x
x = 84,376,048,670,220,000/332,539,362.78 - Step 6: Final answer
x = 253,732,514.45
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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.