Finding the Fourth Proportional to 626,622,313.97, 939,964,691.75 and 238,475,227.02
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Solution
The fourth proportional to 626,622,313.97, 939,964,691.75 and 238,475,227.02 is: 357,724,722.31
Step by Step Solution
- Step 1: Write the proportion equation
626,622,313.97 : 939,964,691.75 = 238,475,227.02 : x - Step 2: Convert to fraction form
626,622,313.97/939,964,691.75 = 238,475,227.02/x - Step 3: Cross multiply
626,622,313.97x = 939,964,691.75 × 238,475,227.02 - Step 4: Simplify right side
626,622,313.97x = 224,158,293,256,430,912 - Step 5: Solve for x
x = 224,158,293,256,430,912/626,622,313.97 - Step 6: Final answer
x = 357,724,722.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.