Finding the Fourth Proportional to 653,486,207.70, 917,176,515.90 and 653,486,207.70
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Solution
The fourth proportional to 653,486,207.70, 917,176,515.90 and 653,486,207.70 is: 917,176,515.90
Step by Step Solution
- Step 1: Write the proportion equation
653,486,207.70 : 917,176,515.90 = 653,486,207.70 : x - Step 2: Convert to fraction form
653,486,207.70/917,176,515.90 = 653,486,207.70/x - Step 3: Cross multiply
653,486,207.70x = 917,176,515.90 × 653,486,207.70 - Step 4: Simplify right side
653,486,207.70x = 599,362,203,166,989,824 - Step 5: Solve for x
x = 599,362,203,166,989,824/653,486,207.70 - Step 6: Final answer
x = 917,176,515.90
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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.