Finding the Fourth Proportional to 197,299,931.70, 276,673,400.70 and 197,299,931.70
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Solution
The fourth proportional to 197,299,931.70, 276,673,400.70 and 197,299,931.70 is: 276,673,400.70
Step by Step Solution
- Step 1: Write the proportion equation
197,299,931.70 : 276,673,400.70 = 197,299,931.70 : x - Step 2: Convert to fraction form
197,299,931.70/276,673,400.70 = 197,299,931.70/x - Step 3: Cross multiply
197,299,931.70x = 276,673,400.70 × 197,299,931.70 - Step 4: Simplify right side
197,299,931.70x = 54,587,643,061,316,728 - Step 5: Solve for x
x = 54,587,643,061,316,728/197,299,931.70 - Step 6: Final answer
x = 276,673,400.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.