Finding the Fourth Proportional to 410,844,658.68, 616,336,272.18 and 138,150,603
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Solution
The fourth proportional to 410,844,658.68, 616,336,272.18 and 138,150,603 is: 207,249,201.99
Step by Step Solution
- Step 1: Write the proportion equation
410,844,658.68 : 616,336,272.18 = 138,150,603 : x - Step 2: Convert to fraction form
410,844,658.68/616,336,272.18 = 138,150,603/x - Step 3: Cross multiply
410,844,658.68x = 616,336,272.18 × 138,150,603 - Step 4: Simplify right side
410,844,658.68x = 85,147,227,652,439,120 - Step 5: Solve for x
x = 85,147,227,652,439,120/410,844,658.68 - Step 6: Final answer
x = 207,249,201.99
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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.