Finding the Fourth Proportional to 869,047,642.26, 1,199,249,240.04 and 492,729,546.24
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Solution
The fourth proportional to 869,047,642.26, 1,199,249,240.04 and 492,729,546.24 is: 679,946,075.61
Step by Step Solution
- Step 1: Write the proportion equation
869,047,642.26 : 1,199,249,240.04 = 492,729,546.24 : x - Step 2: Convert to fraction form
869,047,642.26/1,199,249,240.04 = 492,729,546.24/x - Step 3: Cross multiply
869,047,642.26x = 1,199,249,240.04 × 492,729,546.24 - Step 4: Simplify right side
869,047,642.26x = 590,905,533,873,574,016 - Step 5: Solve for x
x = 590,905,533,873,574,016/869,047,642.26 - Step 6: Final answer
x = 679,946,075.61
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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.