Finding the Fourth Proportional to 2,993,450,130.18, 4,490,125,795.80 and 894,931,450.56
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Solution
The fourth proportional to 2,993,450,130.18, 4,490,125,795.80 and 894,931,450.56 is: 1,342,382,407.22
Step by Step Solution
- Step 1: Write the proportion equation
2,993,450,130.18 : 4,490,125,795.80 = 894,931,450.56 : x - Step 2: Convert to fraction form
2,993,450,130.18/4,490,125,795.80 = 894,931,450.56/x - Step 3: Cross multiply
2,993,450,130.18x = 4,490,125,795.80 × 894,931,450.56 - Step 4: Simplify right side
2,993,450,130.18x = 4,018,354,791,632,168,448 - Step 5: Solve for x
x = 4,018,354,791,632,168,448/2,993,450,130.18 - Step 6: Final answer
x = 1,342,382,407.22
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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.