Finding the Fourth Proportional to 996,475,497.60, 1,494,713,246.40 and 537,310,473.60
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Solution
The fourth proportional to 996,475,497.60, 1,494,713,246.40 and 537,310,473.60 is: 805,965,710.40
Step by Step Solution
- Step 1: Write the proportion equation
996,475,497.60 : 1,494,713,246.40 = 537,310,473.60 : x - Step 2: Convert to fraction form
996,475,497.60/1,494,713,246.40 = 537,310,473.60/x - Step 3: Cross multiply
996,475,497.60x = 1,494,713,246.40 × 537,310,473.60 - Step 4: Simplify right side
996,475,497.60x = 803,125,082,319,377,536 - Step 5: Solve for x
x = 803,125,082,319,377,536/996,475,497.60 - Step 6: Final answer
x = 805,965,710.40
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Double scale
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Similar ratio
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1.5x scale
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.