Finding the Fourth Proportional to 582,912,135.10, 874,368,202.65 and 152,090,631.10
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Solution
The fourth proportional to 582,912,135.10, 874,368,202.65 and 152,090,631.10 is: 228,135,946.65
Step by Step Solution
- Step 1: Write the proportion equation
582,912,135.10 : 874,368,202.65 = 152,090,631.10 : x - Step 2: Convert to fraction form
582,912,135.10/874,368,202.65 = 152,090,631.10/x - Step 3: Cross multiply
582,912,135.10x = 874,368,202.65 × 152,090,631.10 - Step 4: Simplify right side
582,912,135.10x = 132,983,211,754,811,184 - Step 5: Solve for x
x = 132,983,211,754,811,184/582,912,135.10 - Step 6: Final answer
x = 228,135,946.65
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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.