Finding the Fourth Proportional to 693,836,664.84, 957,709,001.16 and 446,318,019.09
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Solution
The fourth proportional to 693,836,664.84, 957,709,001.16 and 446,318,019.09 is: 616,056,783.86
Step by Step Solution
- Step 1: Write the proportion equation
693,836,664.84 : 957,709,001.16 = 446,318,019.09 : x - Step 2: Convert to fraction form
693,836,664.84/957,709,001.16 = 446,318,019.09/x - Step 3: Cross multiply
693,836,664.84x = 957,709,001.16 × 446,318,019.09 - Step 4: Simplify right side
693,836,664.84x = 427,442,784,262,393,664 - Step 5: Solve for x
x = 427,442,784,262,393,664/693,836,664.84 - Step 6: Final answer
x = 616,056,783.86
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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.