Finding the Fourth Proportional to 1,311,383,999.37, 1,966,860,534.79 and 470,852,743.44
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Solution
The fourth proportional to 1,311,383,999.37, 1,966,860,534.79 and 470,852,743.44 is: 706,201,752.66
Step by Step Solution
- Step 1: Write the proportion equation
1,311,383,999.37 : 1,966,860,534.79 = 470,852,743.44 : x - Step 2: Convert to fraction form
1,311,383,999.37/1,966,860,534.79 = 470,852,743.44/x - Step 3: Cross multiply
1,311,383,999.37x = 1,966,860,534.79 × 470,852,743.44 - Step 4: Simplify right side
1,311,383,999.37x = 926,101,678,769,737,088 - Step 5: Solve for x
x = 926,101,678,769,737,088/1,311,383,999.37 - Step 6: Final answer
x = 706,201,752.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.