Finding the Fourth Proportional to 830,158,099.08, 1,245,239,512.58 and 239,996,382.10
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Solution
The fourth proportional to 830,158,099.08, 1,245,239,512.58 and 239,996,382.10 is: 359,995,256.56
Step by Step Solution
- Step 1: Write the proportion equation
830,158,099.08 : 1,245,239,512.58 = 239,996,382.10 : x - Step 2: Convert to fraction form
830,158,099.08/1,245,239,512.58 = 239,996,382.10/x - Step 3: Cross multiply
830,158,099.08x = 1,245,239,512.58 × 239,996,382.10 - Step 4: Simplify right side
830,158,099.08x = 298,852,977,867,167,424 - Step 5: Solve for x
x = 298,852,977,867,167,424/830,158,099.08 - Step 6: Final answer
x = 359,995,256.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.