Finding the Fourth Proportional to 4,812,556,563.99, 7,213,739,929.72 and 1,618,784,740.35
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Solution
The fourth proportional to 4,812,556,563.99, 7,213,739,929.72 and 1,618,784,740.35 is: 2,426,463,349.33
Step by Step Solution
- Step 1: Write the proportion equation
4,812,556,563.99 : 7,213,739,929.72 = 1,618,784,740.35 : x - Step 2: Convert to fraction form
4,812,556,563.99/7,213,739,929.72 = 1,618,784,740.35/x - Step 3: Cross multiply
4,812,556,563.99x = 7,213,739,929.72 × 1,618,784,740.35 - Step 4: Simplify right side
4,812,556,563.99x = 11,677,492,119,080,169,472 - Step 5: Solve for x
x = 11,677,492,119,080,169,472/4,812,556,563.99 - Step 6: Final answer
x = 2,426,463,349.33
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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.