Finding the Fourth Proportional to 295,062,306.72, 407,177,878.80 and 162,900,901.68
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Solution
The fourth proportional to 295,062,306.72, 407,177,878.80 and 162,900,901.68 is: 224,798,769.92
Step by Step Solution
- Step 1: Write the proportion equation
295,062,306.72 : 407,177,878.80 = 162,900,901.68 : x - Step 2: Convert to fraction form
295,062,306.72/407,177,878.80 = 162,900,901.68/x - Step 3: Cross multiply
295,062,306.72x = 407,177,878.80 × 162,900,901.68 - Step 4: Simplify right side
295,062,306.72x = 66,329,643,600,669,760 - Step 5: Solve for x
x = 66,329,643,600,669,760/295,062,306.72 - Step 6: Final answer
x = 224,798,769.92
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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.