Finding the Fourth Proportional to 5,415,262,795.64, 7,470,312,344.39 and 3,536,767,664.12
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Solution
The fourth proportional to 5,415,262,795.64, 7,470,312,344.39 and 3,536,767,664.12 is: 4,878,943,116.45
Step by Step Solution
- Step 1: Write the proportion equation
5,415,262,795.64 : 7,470,312,344.39 = 3,536,767,664.12 : x - Step 2: Convert to fraction form
5,415,262,795.64/7,470,312,344.39 = 3,536,767,664.12/x - Step 3: Cross multiply
5,415,262,795.64x = 7,470,312,344.39 × 3,536,767,664.12 - Step 4: Simplify right side
5,415,262,795.64x = 26,420,759,140,542,537,728 - Step 5: Solve for x
x = 26,420,759,140,542,537,728/5,415,262,795.64 - Step 6: Final answer
x = 4,878,943,116.45
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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.