Finding the Fourth Proportional to 1,590,818,973.74, 2,386,081,229.07 and 750,268,984.85
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Solution
The fourth proportional to 1,590,818,973.74, 2,386,081,229.07 and 750,268,984.85 is: 1,125,334,039.29
Step by Step Solution
- Step 1: Write the proportion equation
1,590,818,973.74 : 2,386,081,229.07 = 750,268,984.85 : x - Step 2: Convert to fraction form
1,590,818,973.74/2,386,081,229.07 = 750,268,984.85/x - Step 3: Cross multiply
1,590,818,973.74x = 2,386,081,229.07 × 750,268,984.85 - Step 4: Simplify right side
1,590,818,973.74x = 1,790,202,741,503,989,504 - Step 5: Solve for x
x = 1,790,202,741,503,989,504/1,590,818,973.74 - Step 6: Final answer
x = 1,125,334,039.29
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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.