Finding the Fourth Proportional to 312,432,647.90, 468,658,850.74 and 115,745,285.44
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Solution
The fourth proportional to 312,432,647.90, 468,658,850.74 and 115,745,285.44 is: 173,621,587.94
Step by Step Solution
- Step 1: Write the proportion equation
312,432,647.90 : 468,658,850.74 = 115,745,285.44 : x - Step 2: Convert to fraction form
312,432,647.90/468,658,850.74 = 115,745,285.44/x - Step 3: Cross multiply
312,432,647.90x = 468,658,850.74 × 115,745,285.44 - Step 4: Simplify right side
312,432,647.90x = 54,245,052,452,883,656 - Step 5: Solve for x
x = 54,245,052,452,883,656/312,432,647.90 - Step 6: Final answer
x = 173,621,587.94
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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.