Finding the Fourth Proportional to 524,477,140.35, 723,774,771.72 and 286,322,324.75
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Solution
The fourth proportional to 524,477,140.35, 723,774,771.72 and 286,322,324.75 is: 395,122,798.09
Step by Step Solution
- Step 1: Write the proportion equation
524,477,140.35 : 723,774,771.72 = 286,322,324.75 : x - Step 2: Convert to fraction form
524,477,140.35/723,774,771.72 = 286,322,324.75/x - Step 3: Cross multiply
524,477,140.35x = 723,774,771.72 × 286,322,324.75 - Step 4: Simplify right side
524,477,140.35x = 207,232,875,230,652,096 - Step 5: Solve for x
x = 207,232,875,230,652,096/524,477,140.35 - Step 6: Final answer
x = 395,122,798.09
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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.