Finding the Fourth Proportional to 7,947,651,567.54, 10,967,993,116.25 and 4,379,588,315.32
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Solution
The fourth proportional to 7,947,651,567.54, 10,967,993,116.25 and 4,379,588,315.32 is: 6,043,960,795.99
Step by Step Solution
- Step 1: Write the proportion equation
7,947,651,567.54 : 10,967,993,116.25 = 4,379,588,315.32 : x - Step 2: Convert to fraction form
7,947,651,567.54/10,967,993,116.25 = 4,379,588,315.32/x - Step 3: Cross multiply
7,947,651,567.54x = 10,967,993,116.25 × 4,379,588,315.32 - Step 4: Simplify right side
7,947,651,567.54x = 48,035,294,494,406,901,760 - Step 5: Solve for x
x = 48,035,294,494,406,901,760/7,947,651,567.54 - Step 6: Final answer
x = 6,043,960,795.99
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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.