Finding the Fourth Proportional to 3,163,707,847.94, 4,742,239,825.63 and 1,064,455,450.87
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Solution
The fourth proportional to 3,163,707,847.94, 4,742,239,825.63 and 1,064,455,450.87 is: 1,595,565,480.24
Step by Step Solution
- Step 1: Write the proportion equation
3,163,707,847.94 : 4,742,239,825.63 = 1,064,455,450.87 : x - Step 2: Convert to fraction form
3,163,707,847.94/4,742,239,825.63 = 1,064,455,450.87/x - Step 3: Cross multiply
3,163,707,847.94x = 4,742,239,825.63 × 1,064,455,450.87 - Step 4: Simplify right side
3,163,707,847.94x = 5,047,903,031,724,651,520 - Step 5: Solve for x
x = 5,047,903,031,724,651,520/3,163,707,847.94 - Step 6: Final answer
x = 1,595,565,480.24
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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.