Finding the Fourth Proportional to 7,538,294,472.76, 11,312,606,789.46 and 2,630,968,277.56
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Solution
The fourth proportional to 7,538,294,472.76, 11,312,606,789.46 and 2,630,968,277.56 is: 3,948,255,100.29
Step by Step Solution
- Step 1: Write the proportion equation
7,538,294,472.76 : 11,312,606,789.46 = 2,630,968,277.56 : x - Step 2: Convert to fraction form
7,538,294,472.76/11,312,606,789.46 = 2,630,968,277.56/x - Step 3: Cross multiply
7,538,294,472.76x = 11,312,606,789.46 × 2,630,968,277.56 - Step 4: Simplify right side
7,538,294,472.76x = 29,763,109,599,579,136,000 - Step 5: Solve for x
x = 29,763,109,599,579,136,000/7,538,294,472.76 - Step 6: Final answer
x = 3,948,255,100.29
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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.