Finding the Fourth Proportional to 1,358,174,305.99, 2,037,258,916.14 and 425,568,549.17
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Solution
The fourth proportional to 1,358,174,305.99, 2,037,258,916.14 and 425,568,549.17 is: 638,352,026.98
Step by Step Solution
- Step 1: Write the proportion equation
1,358,174,305.99 : 2,037,258,916.14 = 425,568,549.17 : x - Step 2: Convert to fraction form
1,358,174,305.99/2,037,258,916.14 = 425,568,549.17/x - Step 3: Cross multiply
1,358,174,305.99x = 2,037,258,916.14 × 425,568,549.17 - Step 4: Simplify right side
1,358,174,305.99x = 866,993,321,216,990,080 - Step 5: Solve for x
x = 866,993,321,216,990,080/1,358,174,305.99 - Step 6: Final answer
x = 638,352,026.98
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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.