Finding the Fourth Proportional to 852,823,498.91, 1,279,115,816.90 and 292,576,029.75
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Solution
The fourth proportional to 852,823,498.91, 1,279,115,816.90 and 292,576,029.75 is: 438,823,071.57
Step by Step Solution
- Step 1: Write the proportion equation
852,823,498.91 : 1,279,115,816.90 = 292,576,029.75 : x - Step 2: Convert to fraction form
852,823,498.91/1,279,115,816.90 = 292,576,029.75/x - Step 3: Cross multiply
852,823,498.91x = 1,279,115,816.90 × 292,576,029.75 - Step 4: Simplify right side
852,823,498.91x = 374,238,627,297,567,040 - Step 5: Solve for x
x = 374,238,627,297,567,040/852,823,498.91 - Step 6: Final answer
x = 438,823,071.57
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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.