Finding the Fourth Proportional to 7,829,765,318.56, 10,805,075,537.76 and 4,261,497,809.80
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Solution
The fourth proportional to 7,829,765,318.56, 10,805,075,537.76 and 4,261,497,809.80 is: 5,880,866,649.95
Step by Step Solution
- Step 1: Write the proportion equation
7,829,765,318.56 : 10,805,075,537.76 = 4,261,497,809.80 : x - Step 2: Convert to fraction form
7,829,765,318.56/10,805,075,537.76 = 4,261,497,809.80/x - Step 3: Cross multiply
7,829,765,318.56x = 10,805,075,537.76 × 4,261,497,809.80 - Step 4: Simplify right side
7,829,765,318.56x = 46,045,805,738,887,798,784 - Step 5: Solve for x
x = 46,045,805,738,887,798,784/7,829,765,318.56 - Step 6: Final answer
x = 5,880,866,649.95
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1.5x scale
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.