Finding the Fourth Proportional to 1,202,122,433.70, 1,803,183,650.55 and 589,902,401.70
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Solution
The fourth proportional to 1,202,122,433.70, 1,803,183,650.55 and 589,902,401.70 is: 884,853,602.55
Step by Step Solution
- Step 1: Write the proportion equation
1,202,122,433.70 : 1,803,183,650.55 = 589,902,401.70 : x - Step 2: Convert to fraction form
1,202,122,433.70/1,803,183,650.55 = 589,902,401.70/x - Step 3: Cross multiply
1,202,122,433.70x = 1,803,183,650.55 × 589,902,401.70 - Step 4: Simplify right side
1,202,122,433.70x = 1,063,702,366,165,618,560 - Step 5: Solve for x
x = 1,063,702,366,165,618,560/1,202,122,433.70 - Step 6: Final answer
x = 884,853,602.55
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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.