Finding the Fourth Proportional to 6,462,574,638.14, 8,917,968,651.41 and 3,749,632,274.21
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Solution
The fourth proportional to 6,462,574,638.14, 8,917,968,651.41 and 3,749,632,274.21 is: 5,174,269,536.22
Step by Step Solution
- Step 1: Write the proportion equation
6,462,574,638.14 : 8,917,968,651.41 = 3,749,632,274.21 : x - Step 2: Convert to fraction form
6,462,574,638.14/8,917,968,651.41 = 3,749,632,274.21/x - Step 3: Cross multiply
6,462,574,638.14x = 8,917,968,651.41 × 3,749,632,274.21 - Step 4: Simplify right side
6,462,574,638.14x = 33,439,103,075,684,749,312 - Step 5: Solve for x
x = 33,439,103,075,684,749,312/6,462,574,638.14 - Step 6: Final answer
x = 5,174,269,536.22
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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.