Finding the Fourth Proportional to 2,391,480,334.20, 3,587,787,371.70 and 1,227,128,532.60
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Solution
The fourth proportional to 2,391,480,334.20, 3,587,787,371.70 and 1,227,128,532.60 is: 1,840,983,674.32
Step by Step Solution
- Step 1: Write the proportion equation
2,391,480,334.20 : 3,587,787,371.70 = 1,227,128,532.60 : x - Step 2: Convert to fraction form
2,391,480,334.20/3,587,787,371.70 = 1,227,128,532.60/x - Step 3: Cross multiply
2,391,480,334.20x = 3,587,787,371.70 × 1,227,128,532.60 - Step 4: Simplify right side
2,391,480,334.20x = 4,402,676,252,715,031,040 - Step 5: Solve for x
x = 4,402,676,252,715,031,040/2,391,480,334.20 - Step 6: Final answer
x = 1,840,983,674.32
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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.