Finding the Fourth Proportional to 299,127,220.40, 448,690,830.60 and 197,006,567.60
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Solution
The fourth proportional to 299,127,220.40, 448,690,830.60 and 197,006,567.60 is: 295,509,851.40
Step by Step Solution
- Step 1: Write the proportion equation
299,127,220.40 : 448,690,830.60 = 197,006,567.60 : x - Step 2: Convert to fraction form
299,127,220.40/448,690,830.60 = 197,006,567.60/x - Step 3: Cross multiply
299,127,220.40x = 448,690,830.60 × 197,006,567.60 - Step 4: Simplify right side
299,127,220.40x = 88,395,040,450,099,056 - Step 5: Solve for x
x = 88,395,040,450,099,056/299,127,220.40 - Step 6: Final answer
x = 295,509,851.40
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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.