Finding the Fourth Proportional to 485,692,850.45, 728,590,310.00 and 158,193,865.79
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Solution
The fourth proportional to 485,692,850.45, 728,590,310.00 and 158,193,865.79 is: 237,307,420.95
Step by Step Solution
- Step 1: Write the proportion equation
485,692,850.45 : 728,590,310.00 = 158,193,865.79 : x - Step 2: Convert to fraction form
485,692,850.45/728,590,310.00 = 158,193,865.79/x - Step 3: Cross multiply
485,692,850.45x = 728,590,310.00 × 158,193,865.79 - Step 4: Simplify right side
485,692,850.45x = 115,258,517,714,926,000 - Step 5: Solve for x
x = 115,258,517,714,926,000/485,692,850.45 - Step 6: Final answer
x = 237,307,420.95
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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.