Finding the Fourth Proportional to 395,717,670.78, 593,581,557.68 and 104,582,278.27
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Solution
The fourth proportional to 395,717,670.78, 593,581,557.68 and 104,582,278.27 is: 156,874,752.45
Step by Step Solution
- Step 1: Write the proportion equation
395,717,670.78 : 593,581,557.68 = 104,582,278.27 : x - Step 2: Convert to fraction form
395,717,670.78/593,581,557.68 = 104,582,278.27/x - Step 3: Cross multiply
395,717,670.78x = 593,581,557.68 × 104,582,278.27 - Step 4: Simplify right side
395,717,670.78x = 62,078,111,641,841,064 - Step 5: Solve for x
x = 62,078,111,641,841,064/395,717,670.78 - Step 6: Final answer
x = 156,874,752.45
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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.