Finding the Fourth Proportional to 4,782,269,924.40, 7,174,748,579.40 and 2,328,686,871.60
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Solution
The fourth proportional to 4,782,269,924.40, 7,174,748,579.40 and 2,328,686,871.60 is: 3,493,684,607.52
Step by Step Solution
- Step 1: Write the proportion equation
4,782,269,924.40 : 7,174,748,579.40 = 2,328,686,871.60 : x - Step 2: Convert to fraction form
4,782,269,924.40/7,174,748,579.40 = 2,328,686,871.60/x - Step 3: Cross multiply
4,782,269,924.40x = 7,174,748,579.40 × 2,328,686,871.60 - Step 4: Simplify right side
4,782,269,924.40x = 16,707,742,823,879,528,448 - Step 5: Solve for x
x = 16,707,742,823,879,528,448/4,782,269,924.40 - Step 6: Final answer
x = 3,493,684,607.52
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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.