Finding the Fourth Proportional to 612,912,583,152.70, 919,368,874,729.05 and 612,912,583,152.70
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Solution
The fourth proportional to 612,912,583,152.70, 919,368,874,729.05 and 612,912,583,152.70 is: 919,368,874,729.05
Step by Step Solution
- Step 1: Write the proportion equation
612,912,583,152.70 : 919,368,874,729.05 = 612,912,583,152.70 : x - Step 2: Convert to fraction form
612,912,583,152.70/919,368,874,729.05 = 612,912,583,152.70/x - Step 3: Cross multiply
612,912,583,152.70x = 919,368,874,729.05 × 612,912,583,152.70 - Step 4: Simplify right side
612,912,583,152.70x = 563,492,751,880,373,061,812,224 - Step 5: Solve for x
x = 563,492,751,880,373,061,812,224/612,912,583,152.70 - Step 6: Final answer
x = 919,368,874,729.05
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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.