Finding the Fourth Proportional to 291,721,647.60, 437,582,433.12 and 119,198,282.70
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Solution
The fourth proportional to 291,721,647.60, 437,582,433.12 and 119,198,282.70 is: 178,797,408.41
Step by Step Solution
- Step 1: Write the proportion equation
291,721,647.60 : 437,582,433.12 = 119,198,282.70 : x - Step 2: Convert to fraction form
291,721,647.60/437,582,433.12 = 119,198,282.70/x - Step 3: Cross multiply
291,721,647.60x = 437,582,433.12 × 119,198,282.70 - Step 4: Simplify right side
291,721,647.60x = 52,159,074,567,591,608 - Step 5: Solve for x
x = 52,159,074,567,591,608/291,721,647.60 - Step 6: Final answer
x = 178,797,408.41
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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.