Finding the Fourth Proportional to 1,358,174,295.36, 2,037,258,900.27 and 425,568,538.62
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Solution
The fourth proportional to 1,358,174,295.36, 2,037,258,900.27 and 425,568,538.62 is: 638,352,011.18
Step by Step Solution
- Step 1: Write the proportion equation
1,358,174,295.36 : 2,037,258,900.27 = 425,568,538.62 : x - Step 2: Convert to fraction form
1,358,174,295.36/2,037,258,900.27 = 425,568,538.62/x - Step 3: Cross multiply
1,358,174,295.36x = 2,037,258,900.27 × 425,568,538.62 - Step 4: Simplify right side
1,358,174,295.36x = 866,993,292,978,492,288 - Step 5: Solve for x
x = 866,993,292,978,492,288/1,358,174,295.36 - Step 6: Final answer
x = 638,352,011.18
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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.