Finding the Fourth Proportional to 415,963,190, 574,022,185.58 and 230,320,219.88
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Solution
The fourth proportional to 415,963,190, 574,022,185.58 and 230,320,219.88 is: 317,838,018.31
Step by Step Solution
- Step 1: Write the proportion equation
415,963,190 : 574,022,185.58 = 230,320,219.88 : x - Step 2: Convert to fraction form
415,963,190/574,022,185.58 = 230,320,219.88/x - Step 3: Cross multiply
415,963,190x = 574,022,185.58 × 230,320,219.88 - Step 4: Simplify right side
415,963,190x = 132,208,915,998,783,776 - Step 5: Solve for x
x = 132,208,915,998,783,776/415,963,190 - Step 6: Final answer
x = 317,838,018.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.