Finding the Fourth Proportional to 517,214,440.80, 725,914,202.40 and 517,214,440.80
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Solution
The fourth proportional to 517,214,440.80, 725,914,202.40 and 517,214,440.80 is: 725,914,202.40
Step by Step Solution
- Step 1: Write the proportion equation
517,214,440.80 : 725,914,202.40 = 517,214,440.80 : x - Step 2: Convert to fraction form
517,214,440.80/725,914,202.40 = 517,214,440.80/x - Step 3: Cross multiply
517,214,440.80x = 725,914,202.40 × 517,214,440.80 - Step 4: Simplify right side
517,214,440.80x = 375,453,308,263,094,016 - Step 5: Solve for x
x = 375,453,308,263,094,016/517,214,440.80 - Step 6: Final answer
x = 725,914,202.40
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Double scale
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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.