Finding the Fourth Proportional to 314,929,794.30, 472,394,691.45 and 276,666,042.30
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Solution
The fourth proportional to 314,929,794.30, 472,394,691.45 and 276,666,042.30 is: 414,999,063.45
Step by Step Solution
- Step 1: Write the proportion equation
314,929,794.30 : 472,394,691.45 = 276,666,042.30 : x - Step 2: Convert to fraction form
314,929,794.30/472,394,691.45 = 276,666,042.30/x - Step 3: Cross multiply
314,929,794.30x = 472,394,691.45 × 276,666,042.30 - Step 4: Simplify right side
314,929,794.30x = 130,695,569,687,001,152 - Step 5: Solve for x
x = 130,695,569,687,001,152/314,929,794.30 - Step 6: Final answer
x = 414,999,063.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.