Finding the Fourth Proportional to 388,060,355.39, 582,057,742.66 and 125,739,353.70
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Solution
The fourth proportional to 388,060,355.39, 582,057,742.66 and 125,739,353.70 is: 188,598,405.79
Step by Step Solution
- Step 1: Write the proportion equation
388,060,355.39 : 582,057,742.66 = 125,739,353.70 : x - Step 2: Convert to fraction form
388,060,355.39/582,057,742.66 = 125,739,353.70/x - Step 3: Cross multiply
388,060,355.39x = 582,057,742.66 × 125,739,353.70 - Step 4: Simplify right side
388,060,355.39x = 73,187,564,377,834,976 - Step 5: Solve for x
x = 73,187,564,377,834,976/388,060,355.39 - Step 6: Final answer
x = 188,598,405.79
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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.