Finding the Fourth Proportional to 2,245,780,775.66, 3,098,969,487.16 and 1,242,176,743.62
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Solution
The fourth proportional to 2,245,780,775.66, 3,098,969,487.16 and 1,242,176,743.62 is: 1,714,088,867.38
Step by Step Solution
- Step 1: Write the proportion equation
2,245,780,775.66 : 3,098,969,487.16 = 1,242,176,743.62 : x - Step 2: Convert to fraction form
2,245,780,775.66/3,098,969,487.16 = 1,242,176,743.62/x - Step 3: Cross multiply
2,245,780,775.66x = 3,098,969,487.16 × 1,242,176,743.62 - Step 4: Simplify right side
2,245,780,775.66x = 3,849,467,826,135,044,096 - Step 5: Solve for x
x = 3,849,467,826,135,044,096/2,245,780,775.66 - Step 6: Final answer
x = 1,714,088,867.38
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Double scale
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1.5x scale
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.