Finding the Fourth Proportional to 1,108,036,363.48, 1,529,091,670.14 and 606,292,286.68
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Solution
The fourth proportional to 1,108,036,363.48, 1,529,091,670.14 and 606,292,286.68 is: 836,684,170.11
Step by Step Solution
- Step 1: Write the proportion equation
1,108,036,363.48 : 1,529,091,670.14 = 606,292,286.68 : x - Step 2: Convert to fraction form
1,108,036,363.48/1,529,091,670.14 = 606,292,286.68/x - Step 3: Cross multiply
1,108,036,363.48x = 1,529,091,670.14 × 606,292,286.68 - Step 4: Simplify right side
1,108,036,363.48x = 927,076,485,232,520,832 - Step 5: Solve for x
x = 927,076,485,232,520,832/1,108,036,363.48 - Step 6: Final answer
x = 836,684,170.11
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Double scale
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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.