Finding the Fourth Proportional to 11,600,853,076.55, 15,996,508,790.95 and 7,835,125,835.99
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Solution
The fourth proportional to 11,600,853,076.55, 15,996,508,790.95 and 7,835,125,835.99 is: 10,803,917,478.02
Step by Step Solution
- Step 1: Write the proportion equation
11,600,853,076.55 : 15,996,508,790.95 = 7,835,125,835.99 : x - Step 2: Convert to fraction form
11,600,853,076.55/15,996,508,790.95 = 7,835,125,835.99/x - Step 3: Cross multiply
11,600,853,076.55x = 15,996,508,790.95 × 7,835,125,835.99 - Step 4: Simplify right side
11,600,853,076.55x = 125,334,659,313,669,160,960 - Step 5: Solve for x
x = 125,334,659,313,669,160,960/11,600,853,076.55 - Step 6: Final answer
x = 10,803,917,478.02
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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.