Finding the Fourth Proportional to 9,035,645,950.74, 12,469,494,192.84 and 5,021,485,380.84
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Solution
The fourth proportional to 9,035,645,950.74, 12,469,494,192.84 and 5,021,485,380.84 is: 6,929,818,093.49
Step by Step Solution
- Step 1: Write the proportion equation
9,035,645,950.74 : 12,469,494,192.84 = 5,021,485,380.84 : x - Step 2: Convert to fraction form
9,035,645,950.74/12,469,494,192.84 = 5,021,485,380.84/x - Step 3: Cross multiply
9,035,645,950.74x = 12,469,494,192.84 × 5,021,485,380.84 - Step 4: Simplify right side
9,035,645,950.74x = 62,615,382,795,815,337,984 - Step 5: Solve for x
x = 62,615,382,795,815,337,984/9,035,645,950.74 - Step 6: Final answer
x = 6,929,818,093.49
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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.