Finding the Fourth Proportional to 1,259,713,093.80, 1,889,569,640.70 and 1,030,130,581.80
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Solution
The fourth proportional to 1,259,713,093.80, 1,889,569,640.70 and 1,030,130,581.80 is: 1,545,195,872.70
Step by Step Solution
- Step 1: Write the proportion equation
1,259,713,093.80 : 1,889,569,640.70 = 1,030,130,581.80 : x - Step 2: Convert to fraction form
1,259,713,093.80/1,889,569,640.70 = 1,030,130,581.80/x - Step 3: Cross multiply
1,259,713,093.80x = 1,889,569,640.70 × 1,030,130,581.80 - Step 4: Simplify right side
1,259,713,093.80x = 1,946,503,473,325,907,968 - Step 5: Solve for x
x = 1,946,503,473,325,907,968/1,259,713,093.80 - Step 6: Final answer
x = 1,545,195,872.70
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1.5x scale
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.