Finding the Fourth Proportional to 5,787,136,285.28, 8,681,122,811.64 and 2,422,323,165.68
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Solution
The fourth proportional to 5,787,136,285.28, 8,681,122,811.64 and 2,422,323,165.68 is: 3,633,659,871.50
Step by Step Solution
- Step 1: Write the proportion equation
5,787,136,285.28 : 8,681,122,811.64 = 2,422,323,165.68 : x - Step 2: Convert to fraction form
5,787,136,285.28/8,681,122,811.64 = 2,422,323,165.68/x - Step 3: Cross multiply
5,787,136,285.28x = 8,681,122,811.64 × 2,422,323,165.68 - Step 4: Simplify right side
5,787,136,285.28x = 21,028,484,890,748,665,856 - Step 5: Solve for x
x = 21,028,484,890,748,665,856/5,787,136,285.28 - Step 6: Final answer
x = 3,633,659,871.50
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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.