Finding the Fourth Proportional to 1,748,850,147.65, 2,623,735,333.26 and 628,486,990.94
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Solution
The fourth proportional to 1,748,850,147.65, 2,623,735,333.26 and 628,486,990.94 is: 942,895,837.49
Step by Step Solution
- Step 1: Write the proportion equation
1,748,850,147.65 : 2,623,735,333.26 = 628,486,990.94 : x - Step 2: Convert to fraction form
1,748,850,147.65/2,623,735,333.26 = 628,486,990.94/x - Step 3: Cross multiply
1,748,850,147.65x = 2,623,735,333.26 × 628,486,990.94 - Step 4: Simplify right side
1,748,850,147.65x = 1,648,983,524,610,416,896 - Step 5: Solve for x
x = 1,648,983,524,610,416,896/1,748,850,147.65 - Step 6: Final answer
x = 942,895,837.49
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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.