Finding the Fourth Proportional to 825,800,673.28, 1,139,596,163.52 and 454,514,732.96
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Solution
The fourth proportional to 825,800,673.28, 1,139,596,163.52 and 454,514,732.96 is: 627,225,506.96
Step by Step Solution
- Step 1: Write the proportion equation
825,800,673.28 : 1,139,596,163.52 = 454,514,732.96 : x - Step 2: Convert to fraction form
825,800,673.28/1,139,596,163.52 = 454,514,732.96/x - Step 3: Cross multiply
825,800,673.28x = 1,139,596,163.52 × 454,514,732.96 - Step 4: Simplify right side
825,800,673.28x = 517,963,245,944,533,248 - Step 5: Solve for x
x = 517,963,245,944,533,248/825,800,673.28 - Step 6: Final answer
x = 627,225,506.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.