Finding the Fourth Proportional to 515,474,665.63, 711,504,935.85 and 336,885,419.75
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Solution
The fourth proportional to 515,474,665.63, 711,504,935.85 and 336,885,419.75 is: 464,999,843.74
Step by Step Solution
- Step 1: Write the proportion equation
515,474,665.63 : 711,504,935.85 = 336,885,419.75 : x - Step 2: Convert to fraction form
515,474,665.63/711,504,935.85 = 336,885,419.75/x - Step 3: Cross multiply
515,474,665.63x = 711,504,935.85 × 336,885,419.75 - Step 4: Simplify right side
515,474,665.63x = 239,695,638,968,539,520 - Step 5: Solve for x
x = 239,695,638,968,539,520/515,474,665.63 - Step 6: Final answer
x = 464,999,843.74
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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.