Finding the Fourth Proportional to 298,953,670.05, 448,430,505.08 and 298,953,670.05
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Solution
The fourth proportional to 298,953,670.05, 448,430,505.08 and 298,953,670.05 is: 448,430,505.08
Step by Step Solution
- Step 1: Write the proportion equation
298,953,670.05 : 448,430,505.08 = 298,953,670.05 : x - Step 2: Convert to fraction form
298,953,670.05/448,430,505.08 = 298,953,670.05/x - Step 3: Cross multiply
298,953,670.05x = 448,430,505.08 × 298,953,670.05 - Step 4: Simplify right side
298,953,670.05x = 134,059,945,254,546,400 - Step 5: Solve for x
x = 134,059,945,254,546,400/298,953,670.05 - Step 6: Final answer
x = 448,430,505.08
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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.