Finding the Fourth Proportional to 7,947,651,897.96, 10,967,993,572.28 and 4,379,588,646.18
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Solution
The fourth proportional to 7,947,651,897.96, 10,967,993,572.28 and 4,379,588,646.18 is: 6,043,961,252.61
Step by Step Solution
- Step 1: Write the proportion equation
7,947,651,897.96 : 10,967,993,572.28 = 4,379,588,646.18 : x - Step 2: Convert to fraction form
7,947,651,897.96/10,967,993,572.28 = 4,379,588,646.18/x - Step 3: Cross multiply
7,947,651,897.96x = 10,967,993,572.28 × 4,379,588,646.18 - Step 4: Simplify right side
7,947,651,897.96x = 48,035,300,120,532,713,472 - Step 5: Solve for x
x = 48,035,300,120,532,713,472/7,947,651,897.96 - Step 6: Final answer
x = 6,043,961,252.61
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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.