Finding the Fourth Proportional to 842,859,600.80, 1,264,289,401.20 and 358,122,423.20
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Solution
The fourth proportional to 842,859,600.80, 1,264,289,401.20 and 358,122,423.20 is: 537,183,634.80
Step by Step Solution
- Step 1: Write the proportion equation
842,859,600.80 : 1,264,289,401.20 = 358,122,423.20 : x - Step 2: Convert to fraction form
842,859,600.80/1,264,289,401.20 = 358,122,423.20/x - Step 3: Cross multiply
842,859,600.80x = 1,264,289,401.20 × 358,122,423.20 - Step 4: Simplify right side
842,859,600.80x = 452,770,383,983,820,992 - Step 5: Solve for x
x = 452,770,383,983,820,992/842,859,600.80 - Step 6: Final answer
x = 537,183,634.80
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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.