Finding the Fourth Proportional to 4,769,239,402.87, 7,154,926,071.20 and 1,453,313,491.13
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Solution
The fourth proportional to 4,769,239,402.87, 7,154,926,071.20 and 1,453,313,491.13 is: 2,180,295,369.76
Step by Step Solution
- Step 1: Write the proportion equation
4,769,239,402.87 : 7,154,926,071.20 = 1,453,313,491.13 : x - Step 2: Convert to fraction form
4,769,239,402.87/7,154,926,071.20 = 1,453,313,491.13/x - Step 3: Cross multiply
4,769,239,402.87x = 7,154,926,071.20 × 1,453,313,491.13 - Step 4: Simplify right side
4,769,239,402.87x = 10,398,350,587,327,137,792 - Step 5: Solve for x
x = 10,398,350,587,327,137,792/4,769,239,402.87 - Step 6: Final answer
x = 2,180,295,369.76
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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.