Finding the Fourth Proportional to 808,848,027.70, 1,213,272,041.55 and 808,848,027.70
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Solution
The fourth proportional to 808,848,027.70, 1,213,272,041.55 and 808,848,027.70 is: 1,213,272,041.55
Step by Step Solution
- Step 1: Write the proportion equation
808,848,027.70 : 1,213,272,041.55 = 808,848,027.70 : x - Step 2: Convert to fraction form
808,848,027.70/1,213,272,041.55 = 808,848,027.70/x - Step 3: Cross multiply
808,848,027.70x = 1,213,272,041.55 × 808,848,027.70 - Step 4: Simplify right side
808,848,027.70x = 981,352,697,871,270,016 - Step 5: Solve for x
x = 981,352,697,871,270,016/808,848,027.70 - Step 6: Final answer
x = 1,213,272,041.55
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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.