Finding the Fourth Proportional to 6,122,289,137.64, 8,448,220,051.27 and 3,409,351,985.58
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Solution
The fourth proportional to 6,122,289,137.64, 8,448,220,051.27 and 3,409,351,985.58 is: 4,704,605,607.29
Step by Step Solution
- Step 1: Write the proportion equation
6,122,289,137.64 : 8,448,220,051.27 = 3,409,351,985.58 : x - Step 2: Convert to fraction form
6,122,289,137.64/8,448,220,051.27 = 3,409,351,985.58/x - Step 3: Cross multiply
6,122,289,137.64x = 8,448,220,051.27 × 3,409,351,985.58 - Step 4: Simplify right side
6,122,289,137.64x = 28,802,955,806,414,143,488 - Step 5: Solve for x
x = 28,802,955,806,414,143,488/6,122,289,137.64 - Step 6: Final answer
x = 4,704,605,607.29
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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.