Finding the Fourth Proportional to 7,370,060,745.20, 10,170,683,077.21 and 4,028,572,371.92
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Solution
The fourth proportional to 7,370,060,745.20, 10,170,683,077.21 and 4,028,572,371.92 is: 5,559,429,462.65
Step by Step Solution
- Step 1: Write the proportion equation
7,370,060,745.20 : 10,170,683,077.21 = 4,028,572,371.92 : x - Step 2: Convert to fraction form
7,370,060,745.20/10,170,683,077.21 = 4,028,572,371.92/x - Step 3: Cross multiply
7,370,060,745.20x = 10,170,683,077.21 × 4,028,572,371.92 - Step 4: Simplify right side
7,370,060,745.20x = 40,973,332,848,343,580,672 - Step 5: Solve for x
x = 40,973,332,848,343,580,672/7,370,060,745.20 - Step 6: Final answer
x = 5,559,429,462.65
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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.