Finding the Fourth Proportional to 2,393,450,697.65, 3,303,843,346.19 and 1,440,875,711.30
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Solution
The fourth proportional to 2,393,450,697.65, 3,303,843,346.19 and 1,440,875,711.30 is: 1,988,939,081.19
Step by Step Solution
- Step 1: Write the proportion equation
2,393,450,697.65 : 3,303,843,346.19 = 1,440,875,711.30 : x - Step 2: Convert to fraction form
2,393,450,697.65/3,303,843,346.19 = 1,440,875,711.30/x - Step 3: Cross multiply
2,393,450,697.65x = 3,303,843,346.19 × 1,440,875,711.30 - Step 4: Simplify right side
2,393,450,697.65x = 4,760,427,631,452,371,968 - Step 5: Solve for x
x = 4,760,427,631,452,371,968/2,393,450,697.65 - Step 6: Final answer
x = 1,988,939,081.19
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1.5x scale
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.