Finding the Fourth Proportional to 2,417,086,438.84, 3,625,628,804.91 and 646,411,137.63
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Solution
The fourth proportional to 2,417,086,438.84, 3,625,628,804.91 and 646,411,137.63 is: 969,616,478.22
Step by Step Solution
- Step 1: Write the proportion equation
2,417,086,438.84 : 3,625,628,804.91 = 646,411,137.63 : x - Step 2: Convert to fraction form
2,417,086,438.84/3,625,628,804.91 = 646,411,137.63/x - Step 3: Cross multiply
2,417,086,438.84x = 3,625,628,804.91 × 646,411,137.63 - Step 4: Simplify right side
2,417,086,438.84x = 2,343,646,840,392,374,272 - Step 5: Solve for x
x = 2,343,646,840,392,374,272/2,417,086,438.84 - Step 6: Final answer
x = 969,616,478.22
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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.