Finding the Fourth Proportional to 324,038,484.14, 486,058,987.23 and 78,394,724.84
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Solution
The fourth proportional to 324,038,484.14, 486,058,987.23 and 78,394,724.84 is: 117,592,392.33
Step by Step Solution
- Step 1: Write the proportion equation
324,038,484.14 : 486,058,987.23 = 78,394,724.84 : x - Step 2: Convert to fraction form
324,038,484.14/486,058,987.23 = 78,394,724.84/x - Step 3: Cross multiply
324,038,484.14x = 486,058,987.23 × 78,394,724.84 - Step 4: Simplify right side
324,038,484.14x = 38,104,460,557,474,624 - Step 5: Solve for x
x = 38,104,460,557,474,624/324,038,484.14 - Step 6: Final answer
x = 117,592,392.33
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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.