Finding the Fourth Proportional to 7,513,671,982.48, 10,369,823,927.16 and 4,543,469,491.12
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Solution
The fourth proportional to 7,513,671,982.48, 10,369,823,927.16 and 4,543,469,491.12 is: 6,270,566,342.42
Step by Step Solution
- Step 1: Write the proportion equation
7,513,671,982.48 : 10,369,823,927.16 = 4,543,469,491.12 : x - Step 2: Convert to fraction form
7,513,671,982.48/10,369,823,927.16 = 4,543,469,491.12/x - Step 3: Cross multiply
7,513,671,982.48x = 10,369,823,927.16 × 4,543,469,491.12 - Step 4: Simplify right side
7,513,671,982.48x = 47,114,978,641,337,647,104 - Step 5: Solve for x
x = 47,114,978,641,337,647,104/7,513,671,982.48 - Step 6: Final answer
x = 6,270,566,342.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.