Finding the Fourth Proportional to 299,295,072.90, 448,942,609.35 and 197,174,420.10
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Solution
The fourth proportional to 299,295,072.90, 448,942,609.35 and 197,174,420.10 is: 295,761,630.15
Step by Step Solution
- Step 1: Write the proportion equation
299,295,072.90 : 448,942,609.35 = 197,174,420.10 : x - Step 2: Convert to fraction form
299,295,072.90/448,942,609.35 = 197,174,420.10/x - Step 3: Cross multiply
299,295,072.90x = 448,942,609.35 × 197,174,420.10 - Step 4: Simplify right side
299,295,072.90x = 88,519,998,656,767,088 - Step 5: Solve for x
x = 88,519,998,656,767,088/299,295,072.90 - Step 6: Final answer
x = 295,761,630.15
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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.