Finding the Fourth Proportional to 2,069,750,861.20, 3,106,137,946.20 and 1,457,530,829.20
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Solution
The fourth proportional to 2,069,750,861.20, 3,106,137,946.20 and 1,457,530,829.20 is: 2,187,360,759.79
Step by Step Solution
- Step 1: Write the proportion equation
2,069,750,861.20 : 3,106,137,946.20 = 1,457,530,829.20 : x - Step 2: Convert to fraction form
2,069,750,861.20/3,106,137,946.20 = 1,457,530,829.20/x - Step 3: Cross multiply
2,069,750,861.20x = 3,106,137,946.20 × 1,457,530,829.20 - Step 4: Simplify right side
2,069,750,861.20x = 4,527,291,816,334,470,656 - Step 5: Solve for x
x = 4,527,291,816,334,470,656/2,069,750,861.20 - Step 6: Final answer
x = 2,187,360,759.79
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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.