Finding the Fourth Proportional to 797,668,857.32, 1,100,966,689.11 and 467,750,284.52
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Solution
The fourth proportional to 797,668,857.32, 1,100,966,689.11 and 467,750,284.52 is: 645,603,093.75
Step by Step Solution
- Step 1: Write the proportion equation
797,668,857.32 : 1,100,966,689.11 = 467,750,284.52 : x - Step 2: Convert to fraction form
797,668,857.32/1,100,966,689.11 = 467,750,284.52/x - Step 3: Cross multiply
797,668,857.32x = 1,100,966,689.11 × 467,750,284.52 - Step 4: Simplify right side
797,668,857.32x = 514,977,482,070,401,280 - Step 5: Solve for x
x = 514,977,482,070,401,280/797,668,857.32 - Step 6: Final answer
x = 645,603,093.75
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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.