Finding the Fourth Proportional to 3,207,058,438.80, 4,810,587,658.20 and 2,819,319,085.20
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Solution
The fourth proportional to 3,207,058,438.80, 4,810,587,658.20 and 2,819,319,085.20 is: 4,228,978,627.80
Step by Step Solution
- Step 1: Write the proportion equation
3,207,058,438.80 : 4,810,587,658.20 = 2,819,319,085.20 : x - Step 2: Convert to fraction form
3,207,058,438.80/4,810,587,658.20 = 2,819,319,085.20/x - Step 3: Cross multiply
3,207,058,438.80x = 4,810,587,658.20 × 2,819,319,085.20 - Step 4: Simplify right side
3,207,058,438.80x = 13,562,581,595,790,833,664 - Step 5: Solve for x
x = 13,562,581,595,790,833,664/3,207,058,438.80 - Step 6: Final answer
x = 4,228,978,627.80
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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.