Finding the Fourth Proportional to 4,251,649,652.70, 6,377,474,479.05 and 1,146,546,177.90
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Solution
The fourth proportional to 4,251,649,652.70, 6,377,474,479.05 and 1,146,546,177.90 is: 1,719,819,266.85
Step by Step Solution
- Step 1: Write the proportion equation
4,251,649,652.70 : 6,377,474,479.05 = 1,146,546,177.90 : x - Step 2: Convert to fraction form
4,251,649,652.70/6,377,474,479.05 = 1,146,546,177.90/x - Step 3: Cross multiply
4,251,649,652.70x = 6,377,474,479.05 × 1,146,546,177.90 - Step 4: Simplify right side
4,251,649,652.70x = 7,312,068,988,609,571,840 - Step 5: Solve for x
x = 7,312,068,988,609,571,840/4,251,649,652.70 - Step 6: Final answer
x = 1,719,819,266.85
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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.