Finding the Fourth Proportional to 4,267,009,861.20, 6,400,868,686.20 and 1,358,882,629.20
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Solution
The fourth proportional to 4,267,009,861.20, 6,400,868,686.20 and 1,358,882,629.20 is: 2,038,436,645.90
Step by Step Solution
- Step 1: Write the proportion equation
4,267,009,861.20 : 6,400,868,686.20 = 1,358,882,629.20 : x - Step 2: Convert to fraction form
4,267,009,861.20/6,400,868,686.20 = 1,358,882,629.20/x - Step 3: Cross multiply
4,267,009,861.20x = 6,400,868,686.20 × 1,358,882,629.20 - Step 4: Simplify right side
4,267,009,861.20x = 8,698,029,269,467,405,312 - Step 5: Solve for x
x = 8,698,029,269,467,405,312/4,267,009,861.20 - Step 6: Final answer
x = 2,038,436,645.90
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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.