Finding the Fourth Proportional to 708,588,522.30, 1,062,882,783.45 and 682,760,489.70
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Solution
The fourth proportional to 708,588,522.30, 1,062,882,783.45 and 682,760,489.70 is: 1,024,140,734.55
Step by Step Solution
- Step 1: Write the proportion equation
708,588,522.30 : 1,062,882,783.45 = 682,760,489.70 : x - Step 2: Convert to fraction form
708,588,522.30/1,062,882,783.45 = 682,760,489.70/x - Step 3: Cross multiply
708,588,522.30x = 1,062,882,783.45 × 682,760,489.70 - Step 4: Simplify right side
708,588,522.30x = 725,694,369,722,021,120 - Step 5: Solve for x
x = 725,694,369,722,021,120/708,588,522.30 - Step 6: Final answer
x = 1,024,140,734.55
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1.5x scale
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.