Finding the Fourth Proportional to 1,467,459,101.19, 2,202,567,753.33 and 768,452,957.31
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Solution
The fourth proportional to 1,467,459,101.19, 2,202,567,753.33 and 768,452,957.31 is: 1,153,401,619.40
Step by Step Solution
- Step 1: Write the proportion equation
1,467,459,101.19 : 2,202,567,753.33 = 768,452,957.31 : x - Step 2: Convert to fraction form
1,467,459,101.19/2,202,567,753.33 = 768,452,957.31/x - Step 3: Cross multiply
1,467,459,101.19x = 2,202,567,753.33 × 768,452,957.31 - Step 4: Simplify right side
1,467,459,101.19x = 1,692,569,703,722,081,024 - Step 5: Solve for x
x = 1,692,569,703,722,081,024/1,467,459,101.19 - Step 6: Final answer
x = 1,153,401,619.40
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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.