Finding the Fourth Proportional to 869,047,645.26, 1,199,249,244.18 and 492,729,549.24
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Solution
The fourth proportional to 869,047,645.26, 1,199,249,244.18 and 492,729,549.24 is: 679,946,079.75
Step by Step Solution
- Step 1: Write the proportion equation
869,047,645.26 : 1,199,249,244.18 = 492,729,549.24 : x - Step 2: Convert to fraction form
869,047,645.26/1,199,249,244.18 = 492,729,549.24/x - Step 3: Cross multiply
869,047,645.26x = 1,199,249,244.18 × 492,729,549.24 - Step 4: Simplify right side
869,047,645.26x = 590,905,539,511,222,144 - Step 5: Solve for x
x = 590,905,539,511,222,144/869,047,645.26 - Step 6: Final answer
x = 679,946,079.75
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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.