Finding the Fourth Proportional to 1,624,246,728.42, 2,241,463,326.58 and 881,691,294.18
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Solution
The fourth proportional to 1,624,246,728.42, 2,241,463,326.58 and 881,691,294.18 is: 1,216,735,528.35
Step by Step Solution
- Step 1: Write the proportion equation
1,624,246,728.42 : 2,241,463,326.58 = 881,691,294.18 : x - Step 2: Convert to fraction form
1,624,246,728.42/2,241,463,326.58 = 881,691,294.18/x - Step 3: Cross multiply
1,624,246,728.42x = 2,241,463,326.58 × 881,691,294.18 - Step 4: Simplify right side
1,624,246,728.42x = 1,976,278,701,269,328,128 - Step 5: Solve for x
x = 1,976,278,701,269,328,128/1,624,246,728.42 - Step 6: Final answer
x = 1,216,735,528.35
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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.