Finding the Fourth Proportional to 1,934,108,636.24, 2,901,776,247.30 and 690,512,435.12
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Solution
The fourth proportional to 1,934,108,636.24, 2,901,776,247.30 and 690,512,435.12 is: 1,035,987,609.56
Step by Step Solution
- Step 1: Write the proportion equation
1,934,108,636.24 : 2,901,776,247.30 = 690,512,435.12 : x - Step 2: Convert to fraction form
1,934,108,636.24/2,901,776,247.30 = 690,512,435.12/x - Step 3: Cross multiply
1,934,108,636.24x = 2,901,776,247.30 × 690,512,435.12 - Step 4: Simplify right side
1,934,108,636.24x = 2,003,712,582,696,498,432 - Step 5: Solve for x
x = 2,003,712,582,696,498,432/1,934,108,636.24 - Step 6: Final answer
x = 1,035,987,609.56
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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.