Finding the Fourth Proportional to 705,507,243.84, 1,058,192,483.94 and 214,224,831.92
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Solution
The fourth proportional to 705,507,243.84, 1,058,192,483.94 and 214,224,831.92 is: 321,316,483.97
Step by Step Solution
- Step 1: Write the proportion equation
705,507,243.84 : 1,058,192,483.94 = 214,224,831.92 : x - Step 2: Convert to fraction form
705,507,243.84/1,058,192,483.94 = 214,224,831.92/x - Step 3: Cross multiply
705,507,243.84x = 1,058,192,483.94 × 214,224,831.92 - Step 4: Simplify right side
705,507,243.84x = 226,691,107,005,762,848 - Step 5: Solve for x
x = 226,691,107,005,762,848/705,507,243.84 - Step 6: Final answer
x = 321,316,483.97
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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.