Finding the Fourth Proportional to 714,982,207.98, 1,072,453,486.66 and 190,355,810.88
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Solution
The fourth proportional to 714,982,207.98, 1,072,453,486.66 and 190,355,810.88 is: 285,528,438.06
Step by Step Solution
- Step 1: Write the proportion equation
714,982,207.98 : 1,072,453,486.66 = 190,355,810.88 : x - Step 2: Convert to fraction form
714,982,207.98/1,072,453,486.66 = 190,355,810.88/x - Step 3: Cross multiply
714,982,207.98x = 1,072,453,486.66 × 190,355,810.88 - Step 4: Simplify right side
714,982,207.98x = 204,147,753,083,771,680 - Step 5: Solve for x
x = 204,147,753,083,771,680/714,982,207.98 - Step 6: Final answer
x = 285,528,438.06
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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.