Finding the Fourth Proportional to 855,432,096.16, 1,180,464,715.92 and 464,283,122.08
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Solution
The fourth proportional to 855,432,096.16, 1,180,464,715.92 and 464,283,122.08 is: 640,693,570.27
Step by Step Solution
- Step 1: Write the proportion equation
855,432,096.16 : 1,180,464,715.92 = 464,283,122.08 : x - Step 2: Convert to fraction form
855,432,096.16/1,180,464,715.92 = 464,283,122.08/x - Step 3: Cross multiply
855,432,096.16x = 1,180,464,715.92 × 464,283,122.08 - Step 4: Simplify right side
855,432,096.16x = 548,069,843,812,617,920 - Step 5: Solve for x
x = 548,069,843,812,617,920/855,432,096.16 - Step 6: Final answer
x = 640,693,570.27
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1.5x scale
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.