Finding the Fourth Proportional to 348,216,984.79, 522,125,190.09 and 208,297,205.42
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Solution
The fourth proportional to 348,216,984.79, 522,125,190.09 and 208,297,205.42 is: 312,325,999.95
Step by Step Solution
- Step 1: Write the proportion equation
348,216,984.79 : 522,125,190.09 = 208,297,205.42 : x - Step 2: Convert to fraction form
348,216,984.79/522,125,190.09 = 208,297,205.42/x - Step 3: Cross multiply
348,216,984.79x = 522,125,190.09 × 208,297,205.42 - Step 4: Simplify right side
348,216,984.79x = 108,757,217,972,522,640 - Step 5: Solve for x
x = 108,757,217,972,522,640/348,216,984.79 - Step 6: Final answer
x = 312,325,999.95
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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.