Finding the Fourth Proportional to 66,961,566,202.70, 100,442,349,304.05 and 27,186,395,998.70
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Solution
The fourth proportional to 66,961,566,202.70, 100,442,349,304.05 and 27,186,395,998.70 is: 40,779,593,998.05
Step by Step Solution
- Step 1: Write the proportion equation
66,961,566,202.70 : 100,442,349,304.05 = 27,186,395,998.70 : x - Step 2: Convert to fraction form
66,961,566,202.70/100,442,349,304.05 = 27,186,395,998.70/x - Step 3: Cross multiply
66,961,566,202.70x = 100,442,349,304.05 × 27,186,395,998.70 - Step 4: Simplify right side
66,961,566,202.70x = 2,730,665,483,219,652,575,232 - Step 5: Solve for x
x = 2,730,665,483,219,652,575,232/66,961,566,202.70 - Step 6: Final answer
x = 40,779,593,998.05
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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.