Finding the Fourth Proportional to 711,979,769.99, 1,068,276,562.16 and 384,390,237.38
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Solution
The fourth proportional to 711,979,769.99, 1,068,276,562.16 and 384,390,237.38 is: 576,751,051.95
Step by Step Solution
- Step 1: Write the proportion equation
711,979,769.99 : 1,068,276,562.16 = 384,390,237.38 : x - Step 2: Convert to fraction form
711,979,769.99/1,068,276,562.16 = 384,390,237.38/x - Step 3: Cross multiply
711,979,769.99x = 1,068,276,562.16 × 384,390,237.38 - Step 4: Simplify right side
711,979,769.99x = 410,635,081,308,909,376 - Step 5: Solve for x
x = 410,635,081,308,909,376/711,979,769.99 - Step 6: Final answer
x = 576,751,051.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.