Finding the Fourth Proportional to 626,622,388.91, 939,964,804.17 and 238,475,301.97
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Solution
The fourth proportional to 626,622,388.91, 939,964,804.17 and 238,475,301.97 is: 357,724,834.74
Step by Step Solution
- Step 1: Write the proportion equation
626,622,388.91 : 939,964,804.17 = 238,475,301.97 : x - Step 2: Convert to fraction form
626,622,388.91/939,964,804.17 = 238,475,301.97/x - Step 3: Cross multiply
626,622,388.91x = 939,964,804.17 × 238,475,301.97 - Step 4: Simplify right side
626,622,388.91x = 224,158,390,515,612,640 - Step 5: Solve for x
x = 224,158,390,515,612,640/626,622,388.91 - Step 6: Final answer
x = 357,724,834.74
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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.