Finding the Fourth Proportional to 396,451,461.36, 546,882,617.76 and 368,393,913.44
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Solution
The fourth proportional to 396,451,461.36, 546,882,617.76 and 368,393,913.44 is: 508,178,799.64
Step by Step Solution
- Step 1: Write the proportion equation
396,451,461.36 : 546,882,617.76 = 368,393,913.44 : x - Step 2: Convert to fraction form
396,451,461.36/546,882,617.76 = 368,393,913.44/x - Step 3: Cross multiply
396,451,461.36x = 546,882,617.76 × 368,393,913.44 - Step 4: Simplify right side
396,451,461.36x = 201,468,227,748,918,048 - Step 5: Solve for x
x = 201,468,227,748,918,048/396,451,461.36 - Step 6: Final answer
x = 508,178,799.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.