Finding the Fourth Proportional to 1,882,023,643.80, 2,823,035,465.70 and 654,784,219.80
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Solution
The fourth proportional to 1,882,023,643.80, 2,823,035,465.70 and 654,784,219.80 is: 982,176,329.70
Step by Step Solution
- Step 1: Write the proportion equation
1,882,023,643.80 : 2,823,035,465.70 = 654,784,219.80 : x - Step 2: Convert to fraction form
1,882,023,643.80/2,823,035,465.70 = 654,784,219.80/x - Step 3: Cross multiply
1,882,023,643.80x = 2,823,035,465.70 × 654,784,219.80 - Step 4: Simplify right side
1,882,023,643.80x = 1,848,479,074,876,103,936 - Step 5: Solve for x
x = 1,848,479,074,876,103,936/1,882,023,643.80 - Step 6: Final answer
x = 982,176,329.70
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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.