Finding the Fourth Proportional to 247,228,299,431.70, 370,842,449,147.55 and 61,113,409,703.70
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Solution
The fourth proportional to 247,228,299,431.70, 370,842,449,147.55 and 61,113,409,703.70 is: 91,670,114,555.55
Step by Step Solution
- Step 1: Write the proportion equation
247,228,299,431.70 : 370,842,449,147.55 = 61,113,409,703.70 : x - Step 2: Convert to fraction form
247,228,299,431.70/370,842,449,147.55 = 61,113,409,703.70/x - Step 3: Cross multiply
247,228,299,431.70x = 370,842,449,147.55 × 61,113,409,703.70 - Step 4: Simplify right side
247,228,299,431.70x = 22,663,446,530,277,754,535,936 - Step 5: Solve for x
x = 22,663,446,530,277,754,535,936/247,228,299,431.70 - Step 6: Final answer
x = 91,670,114,555.55
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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.