Finding the Fourth Proportional to 1,416,388,984.80, 2,124,587,463.03 and 543,257,993.85
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Solution
The fourth proportional to 1,416,388,984.80, 2,124,587,463.03 and 543,257,993.85 is: 814,888,519.55
Step by Step Solution
- Step 1: Write the proportion equation
1,416,388,984.80 : 2,124,587,463.03 = 543,257,993.85 : x - Step 2: Convert to fraction form
1,416,388,984.80/2,124,587,463.03 = 543,257,993.85/x - Step 3: Cross multiply
1,416,388,984.80x = 2,124,587,463.03 × 543,257,993.85 - Step 4: Simplify right side
1,416,388,984.80x = 1,154,199,122,924,538,880 - Step 5: Solve for x
x = 1,154,199,122,924,538,880/1,416,388,984.80 - Step 6: Final answer
x = 814,888,519.55
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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.