Finding the Fourth Proportional to 295,258,979.20, 442,888,468.80 and 122,678,435.20
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Solution
The fourth proportional to 295,258,979.20, 442,888,468.80 and 122,678,435.20 is: 184,017,652.80
Step by Step Solution
- Step 1: Write the proportion equation
295,258,979.20 : 442,888,468.80 = 122,678,435.20 : x - Step 2: Convert to fraction form
295,258,979.20/442,888,468.80 = 122,678,435.20/x - Step 3: Cross multiply
295,258,979.20x = 442,888,468.80 × 122,678,435.20 - Step 4: Simplify right side
295,258,979.20x = 54,332,864,320,508,024 - Step 5: Solve for x
x = 54,332,864,320,508,024/295,258,979.20 - Step 6: Final answer
x = 184,017,652.80
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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.