Finding the Fourth Proportional to 926,782,257,908.76, 1,389,423,189,910.50 and 289,746,747,844.44
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Solution
The fourth proportional to 926,782,257,908.76, 1,389,423,189,910.50 and 289,746,747,844.44 is: 434,385,582,180.46
Step by Step Solution
- Step 1: Write the proportion equation
926,782,257,908.76 : 1,389,423,189,910.50 = 289,746,747,844.44 : x - Step 2: Convert to fraction form
926,782,257,908.76/1,389,423,189,910.50 = 289,746,747,844.44/x - Step 3: Cross multiply
926,782,257,908.76x = 1,389,423,189,910.50 × 289,746,747,844.44 - Step 4: Simplify right side
926,782,257,908.76x = 402,580,850,656,215,086,137,344 - Step 5: Solve for x
x = 402,580,850,656,215,086,137,344/926,782,257,908.76 - Step 6: Final answer
x = 434,385,582,180.46
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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.