Finding the Fourth Proportional to 1,398,668,356.47, 2,096,968,242.06 and 845,847,883.44
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Solution
The fourth proportional to 1,398,668,356.47, 2,096,968,242.06 and 845,847,883.44 is: 1,268,146,334.32
Step by Step Solution
- Step 1: Write the proportion equation
1,398,668,356.47 : 2,096,968,242.06 = 845,847,883.44 : x - Step 2: Convert to fraction form
1,398,668,356.47/2,096,968,242.06 = 845,847,883.44/x - Step 3: Cross multiply
1,398,668,356.47x = 2,096,968,242.06 × 845,847,883.44 - Step 4: Simplify right side
1,398,668,356.47x = 1,773,716,149,187,348,736 - Step 5: Solve for x
x = 1,773,716,149,187,348,736/1,398,668,356.47 - Step 6: Final answer
x = 1,268,146,334.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.