Finding the Fourth Proportional to 388,245,874.55, 582,450,613.21 and 125,909,970.08
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Solution
The fourth proportional to 388,245,874.55, 582,450,613.21 and 125,909,970.08 is: 188,891,483.70
Step by Step Solution
- Step 1: Write the proportion equation
388,245,874.55 : 582,450,613.21 = 125,909,970.08 : x - Step 2: Convert to fraction form
388,245,874.55/582,450,613.21 = 125,909,970.08/x - Step 3: Cross multiply
388,245,874.55x = 582,450,613.21 × 125,909,970.08 - Step 4: Simplify right side
388,245,874.55x = 73,336,339,282,348,752 - Step 5: Solve for x
x = 73,336,339,282,348,752/388,245,874.55 - Step 6: Final answer
x = 188,891,483.70
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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.