Finding the Fourth Proportional to 1,736,966,492.70, 2,605,449,739.05 and 769,507,676.70
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Solution
The fourth proportional to 1,736,966,492.70, 2,605,449,739.05 and 769,507,676.70 is: 1,154,261,515.05
Step by Step Solution
- Step 1: Write the proportion equation
1,736,966,492.70 : 2,605,449,739.05 = 769,507,676.70 : x - Step 2: Convert to fraction form
1,736,966,492.70/2,605,449,739.05 = 769,507,676.70/x - Step 3: Cross multiply
1,736,966,492.70x = 2,605,449,739.05 × 769,507,676.70 - Step 4: Simplify right side
1,736,966,492.70x = 2,004,913,575,454,987,008 - Step 5: Solve for x
x = 2,004,913,575,454,987,008/1,736,966,492.70 - Step 6: Final answer
x = 1,154,261,515.05
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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.