Finding the Fourth Proportional to 753,553,106.40, 1,130,383,468 and 200,852,639.56
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Solution
The fourth proportional to 753,553,106.40, 1,130,383,468 and 200,852,639.56 is: 301,293,301.47
Step by Step Solution
- Step 1: Write the proportion equation
753,553,106.40 : 1,130,383,468 = 200,852,639.56 : x - Step 2: Convert to fraction form
753,553,106.40/1,130,383,468 = 200,852,639.56/x - Step 3: Cross multiply
753,553,106.40x = 1,130,383,468 × 200,852,639.56 - Step 4: Simplify right side
753,553,106.40x = 227,040,503,262,786,784 - Step 5: Solve for x
x = 227,040,503,262,786,784/753,553,106.40 - Step 6: Final answer
x = 301,293,301.47
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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.